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Document And Entity Information - USD ($)	12 Months Ended
Document And Entity Information - USD ($)	Dec. 31, 2014	Mar. 20, 2015	Jun. 30, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	INTEST CORP
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		10,562,678
Entity Public Float			$ 31,037,908
Amendment Flag	false
Entity Central Index Key	0001036262
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Smaller Reporting Company
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 23,126	$ 19,018
Trade accounts receivable, net of allowance for doubtful accounts of $146 and $147, respectively	5,034	5,748
Inventories	3,769	3,243
Deferred tax assets	529	701
Prepaid expenses and other current assets	473	371
Total current assets	32,931	29,081
Property and equipment:
Machinery and equipment	4,322	4,190
Leasehold improvements	593	594
Gross property and equipment	4,915	4,784
Less: accumulated depreciation	(3,647)	(3,530)
Net property and equipment	1,268	1,254
Deferred tax assets	884	1,030
Goodwill	1,706	1,706
Intangible assets, net	1,393	1,748
Restricted certificates of deposit	350	450
Other assets	206	212
Total assets	38,738	35,481
Current liabilities:
Accounts payable	1,234	1,064
Accrued wages and benefits	1,528	1,635
Accrued rent	615	577
Accrued professional fees	390	367
Accrued sales commissions	328	305
Domestic and foreign income taxes payable	22	83
Other current liabilities	253	301
Total current liabilities	4,370	4,332
Commitments and Contingencies (Notes 9 and 11)
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 20,000,000 shares authorized; 10,595,755 and 10,590,755 shares issued, respectively	106	106
Addtional paid-in capital	26,321	26,187
Retained earnings	7,152	3,713
Accumulated other comprehensive earnings	993	1,347
Treasury stock, at cost; 33,077 and 33,077 shares, respectively	(204)	(204)
Total stockholders' equity	34,368	31,149
Total liabilities and stockholders' equity	$ 38,738	$ 35,481

Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Allowance for doubtful accounts, respectively (in Dollars)	$ 146	$ 147
Preferred stock par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	10,595,755	10,590,755
Treasury stock, at cost, shares, respectively	33,077	33,077

Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Net revenues	$ 41,796	$ 39,426
Cost of revenues	21,334	20,411
Gross margin	20,462	19,015
Operating expenses:
Selling expense	5,735	5,395
Engineering and product development expense	3,580	3,683
General and administrative expense	6,231	5,975
Total operating expenses	15,546	15,053
Operating income	4,916	3,962
Other income (expense)	(7)	46
Earnings before income tax expense	4,909	4,008
Income tax expense	1,470	931
Net earnings	$ 3,439	$ 3,077
Net earnings per common share:
- Basic (in Dollars per share)	$ 0.33	$ 0.30
- Diluted (in Dollars per share)	$ 0.33	$ 0.30
Weighted average common shares outstanding:
- Basic (in Shares)	10,431,743	10,363,678
- Diluted (in Shares)	10,466,064	10,419,103

Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Net earnings	$ 3,439	$ 3,077
Foreign currency translation adjustments	(354)	94
Comprehensive earnings	$ 3,085	$ 3,171

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References + Details

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance (in Shares)	10,453,255
Balance, January 1, 2013 at Dec. 31, 2012	$ 105	$ 26,030	$ 636	$ 1,253	$ (204)	$ 27,820
Balance, January 1, 2013 (in Shares) at Dec. 31, 2012	10,453,255
Net earnings			3,077			3,077
Other comprehensive earnings (loss)				94		94
Amortization of deferred compensation related to restricted stock		128				128
Issuance of non-vested shares of restricted stock (in Shares)	127,500
Issuance of non-vested shares of restricted stock	$ 1	(1)				462
Issuance of non-vested shares of restricted stock (in Shares)	127,500
Stock options exercised		30				$ 30
Stock options exercised (in Shares)	10,000					10,000
Balance at Dec. 31, 2013	$ 106	26,187	3,713	1,347	(204)	$ 31,149
Balance (in Shares)	10,453,255
Balance (in Shares)	10,590,755					10,590,755
Balance, January 1, 2013 (in Shares) at Dec. 31, 2013	10,590,755					10,590,755
Net earnings			3,439			$ 3,439
Other comprehensive earnings (loss)				(354)		(354)
Amortization of deferred compensation related to restricted stock		134				134
Forfeiture of non-vested shares of restricted stock (in Shares)	(5,000)
Issuance of non-vested shares of restricted stock (in Shares)	10,000
Issuance of non-vested shares of restricted stock						41
Issuance of non-vested shares of restricted stock (in Shares)	10,000
Balance at Dec. 31, 2014	$ 106	$ 26,321	$ 7,152	$ 993	$ (204)	$ 34,368
Balance (in Shares)	10,590,755					10,590,755
Balance (in Shares)	10,595,755					10,595,755

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings	$ 3,439	$ 3,077
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	879	847
Provision for excess and obsolete inventory	344	311
Foreign exchange loss	44	4
Amortization of deferred compensation related to restricted stock	134	128
(Gain) loss on sale of property and equipment	44	(3)
Proceeds from sale of demonstration equipment, net of gain	161	32
Deferred income tax expense	318	307
Changes in assets and liabilities:
Trade accounts receivable	610	(233)
Inventories	(893)	(416)
Prepaid expenses and other current assets	(113)	(6)
Restricted certificates of deposit	100
Other assets	(17)	(18)
Accounts payable	172	23
Accrued wages and benefits	(75)	63
Accrued rent	38	48
Accrued professional fees	25	(19)
Accrued sales commissions	23	(43)
Domestic and foreign income taxes payable	(61)
Other current liabilities	(43)	(332)
Net cash provided by operating activities	5,129	3,770
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(831)	(424)
Proceeds from sale of property and equipment	8	10
Net cash used in investing activitites	(823)	(414)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from stock options exercised		30
Net cash provided by financing activities		30
Effects of exchange rates on cash	(198)	56
Net cash provided by all activities	4,108	3,442
Cash and cash equivalents at beginning of period	19,018	15,576
Cash and cash equivalents at end of period	23,126	19,018
Cash payments for:
Domestic and foreign income taxes	1,213	623
SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of non-vested shares of restricted stock	41	$ 462
Forfeiture of non-vested shares of restricted stock	$ (20)

Note 1 - Nature of Operations

12 Months Ended

Dec. 31, 2014

Disclosure Text Block [Abstract]

Nature of Operations [Text Block]

(1) NATURE OF OPERATIONS

We are an independent designer, manufacturer and marketer of thermal, mechanical and electrical products that are primarily used by semiconductor manufacturers in conjunction with automatic test equipment ("ATE") in the testing of integrated circuits ("ICs" or "semiconductors"). In addition, in recent years we have begun marketing our thermal products in markets outside the ATE market, such as the automotive, consumer electronics, defense/aerospace, energy, industrial and telecommunications markets.

The consolidated entity is comprised of inTEST Corporation (parent) and our wholly-owned subsidiaries. We have three reportable segments which are also our reporting units: Thermal Products, Mechanical Products and Electrical Products. We manufacture our products in the U.S. Marketing and support activities are conducted worldwide from our facilities in the U.S., Germany and Singapore.

The semiconductor market in which we operate is characterized by rapid technological change, competitive pricing pressures and cyclical as well as seasonal market patterns. This market is subject to significant economic downturns at various times. Our financial results are affected by a wide variety of factors, including, but not limited to, general economic conditions worldwide and in the markets in which we operate, economic conditions specific to the semiconductor market and the other markets we serve, our ability to safeguard patented technology and intellectual property in a rapidly evolving market, downward pricing pressures from customers, and our reliance on a relatively few number of customers for a significant portion of our sales. In addition, we are exposed to the risk of obsolescence of our inventory depending on the mix of future business and technological changes within the markets that we serve. As a result of these or other factors, we may experience significant period-to-period fluctuations in future operating results.

Note 2 - Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Significant Accounting Policies [Text Block]

(2) SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Use of Estimates

The accompanying consolidated financial statements include our accounts and those of our wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated upon consolidation. The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”) requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Certain of our accounts, including inventories, long-lived assets, goodwill, identifiable intangibles and deferred tax assets and liabilities including related valuation allowances, are particularly impacted by estimates.

Reclassification

Certain prior year amounts have been reclassified to be comparable with the current year's presentation.

Cash and Cash Equivalents

Short-term investments that have maturities of three months or less when purchased are considered to be cash equivalents and are carried at cost, which approximates market value. Our cash balances, which are deposited with highly reputable financial institutions, at times may exceed the federally insurance limits. We have not experienced any losses related to these cash balances and believe the credit risk to be minimal.

Trade Accounts Receivable and Allowance for Doubtful Accounts

Trade accounts receivable are recorded at the invoiced amount and do not bear interest. We grant credit to customers and generally require no collateral. To minimize our risk, we perform ongoing credit evaluations of our customers' financial condition. The allowance for doubtful accounts is our best estimate of the amount of probable credit losses in our existing accounts receivable. We determine the allowance based on historical write-off experience and the aging of such receivables, among other factors. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. We do not have any off-balance sheet credit exposure related to our customers. There was no bad debt expense recorded in either of the years ended December 31, 2014 or 2013. Cash flows from accounts receivable are recorded in operating cash flows.

Fair Value of Financial Instruments

Our financial instruments, principally accounts receivable and accounts payable, are carried at cost which approximates fair value, due to the short maturities of the accounts.

Inventories

Inventories are valued at cost on a first-in, first-out basis, not in excess of market value. Cash flows from the sale of inventories are recorded in operating cash flows. On a quarterly basis, we review our inventories and record excess and obsolete inventory charges based upon our established objective excess and obsolete inventory criteria. These criteria identify material that has not been used in a work order during the prior twelve months and the quantity of material on hand that is greater than the average annual usage of that material over the prior three years. In certain cases, additional excess and obsolete inventory charges are recorded based upon current market conditions, anticipated product life cycles, new product introductions and expected future use of the inventory. The excess and obsolete inventory charges we record establish a new cost basis for the related inventories. We incurred excess and obsolete inventory charges of $344 and $311 for the years ended December 31, 2014 and 2013, respectively.

Property and Equipment

Machinery and equipment are stated at cost. As further discussed below under "Goodwill, Intangible and Long-Lived Assets," machinery and equipment that has been determined to be impaired is written down to its fair value at the time of the impairment. Depreciation is based upon the estimated useful life of the assets using the straight-line method. The estimated useful lives range from one to ten years. Leasehold improvements are recorded at cost and amortized over the shorter of the lease term or the estimated useful life of the asset. Total depreciation expense was $524 and $401 for the years ended December 31, 2014 and 2013, respectively.

Goodwill, Intangible and Long-Lived Assets

We account for goodwill and intangible assets in accordance with Accounting Standards Codification ("ASC") 350 (Intangibles- Goodwill and Other). Finite-lived intangible assets are amortized over their estimated useful economic life and are carried at cost less accumulated amortization. Goodwill is assessed for impairment at least annually in the fourth quarter, on a reporting unit basis, or more frequently when events and circumstances occur indicating that the recorded goodwill may be impaired. As a part of the goodwill impairment assessment, we have the option to perform a qualitative assessment to determine whether it is more-likely-than-not that the fair value of a reporting unit is less than its carrying amount. If we determine this is the case, we are required to perform a two-step goodwill impairment test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized. The two-step test is discussed below. If we determine that it is more-likely-than-not that the fair value of the reporting unit is greater than its carrying amounts, the two-step goodwill impairment test is not required.

If we determine it is more-likely-than-not that the fair value of a reporting unit is less than its carrying amount as a result of our qualitative assessment, we will perform a quantitative two-step goodwill impairment test. In the Step I test, the fair value of a reporting unit is computed and compared with its book value. If the book value of a reporting unit exceeds its fair value, a Step II test is performed in which the implied fair value of goodwill is compared with the carrying amount of goodwill. If the carrying amount of goodwill exceeds the implied fair value, an impairment loss is recorded in an amount equal to that excess. The two-step goodwill impairment assessment is based upon a combination of the income approach, which estimates the fair value of our reporting units based upon a discounted cash flow approach, and the market approach which estimates the fair value of our reporting units based upon comparable market multiples. This fair value is then reconciled to our market capitalization at year end with an appropriate control premium. The determination of the fair value of our reporting units requires management to make significant estimates and assumptions including the selection of appropriate peer group companies, control premiums, discount rate, terminal growth rates, forecasts of revenue and expense growth rates, changes in working capital, depreciation, amortization and capital expenditures. Changes in assumptions concerning future financial results or other underlying assumptions could have a significant impact on either the fair value of the reporting unit or the amount of the goodwill impairment charge.

Indefinite-lived intangible assets are assessed for impairment at least annually in the fourth quarter, or more frequently if events or changes in circumstances indicate that the asset might be impaired. As a part of the impairment assessment, we have the option to perform a qualitative assessment to determine whether it is more likely than not that an indefinite-lived intangible asset is impaired. If, as a result of our qualitative assessment, we determine that it is more-likely-than-not that the fair value of the indefinite-lived intangible asset is less than its carrying amount, the quantitative impairment test is required. Otherwise, no further testing is required. The quantitative impairment test consists of a comparison of the fair value of the intangible asset with its carrying amount. If the carrying amount of the intangible asset exceeds its fair value, an impairment loss is recognized in an amount equal to that excess.

Long-lived assets, which consist of finite-lived intangible assets and property and equipment, are assessed for impairment whenever events or changes in business circumstances indicate that the carrying amount of the assets may not be fully recoverable or that the useful lives of these assets are no longer appropriate. Each impairment test is based on a comparison of the estimated undiscounted cash flows to the recorded value of the asset. If impairment is indicated, the asset is written down to its estimated fair value. The cash flow estimates used to determine the impairment, if any, contain management's best estimates using appropriate assumptions and projections at that time.

Stock-Based Compensation

We account for stock-based compensation in accordance with ASC Topic 718 (Compensation - Stock Compensation) which requires that employee share-based equity awards be accounted for under the fair value method and requires the use of an option pricing model for estimating fair value, which is then amortized to expense over the service periods. See further disclosures related to our stock-based compensation plan in Note 12.

Subsequent Events

We have made an assessment of our operations and determined that there were no material subsequent events requiring adjustment to, or disclosure in, our consolidated financial statements for the year ended December 31, 2014.

Revenue Recognition

We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, the price is fixed or determinable, and collection of the related receivable is reasonably assured. Sales of our products are made through our sales employees, third-party sales representatives and distributors. There are no differences in revenue recognition policies based on the sales channel. We do not provide our customers with rights of return or exchanges. Revenue is generally recognized upon product shipment. Our customers' purchase orders do not typically contain any customer-specific acceptance criteria, other than that the product performs within the agreed upon specifications. We test all products manufactured as part of our quality assurance process to determine that they comply with specifications prior to shipment to a customer. To the extent that any customer purchase order contains customer-specific acceptance criteria, revenue recognition is deferred until customer acceptance.

In addition, in our Thermal Products and Mechanical Products segments, we lease certain of our equipment to customers under non-cancellable operating leases. These leases generally have an initial term of six months. We recognize revenue for these leases on a straight-line basis over the term of the lease.

With respect to sales tax collected from customers and remitted to governmental authorities, we use a net presentation in our consolidated statement of operations. As a result, there are no amounts included in either our net revenues or cost of revenues related to sales tax.

Product Warranties

We generally provide product warranties and record estimated warranty expense at the time of sale based upon historical claims experience. Warranty expense is included in selling expense in the consolidated financial statements.

Engineering and Product Development

Engineering and product development costs, which consist primarily of the salary and related benefits costs of our technical staff, as well as the cost of materials used in product development, are expensed as incurred.

Foreign Currency

For our foreign subsidiary whose functional currency is not the U.S. dollar, assets and liabilities are translated using the exchange rate in effect at the balance sheet date. The results of operations are translated using an average exchange rate for the period. The effects of rate fluctuations in translating assets and liabilities of these international operations into U.S. dollars are included in accumulated other comprehensive earnings in stockholders' equity. Transaction gains or losses are included in net earnings. For the years ended December 31, 2014 and 2013, foreign currency transaction losses were $44 and $4, respectively.

Income Taxes

The asset and liability method is used in accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for operating loss and tax credit carryforwards and for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is more likely than not that such assets will not be realized.

Net Earnings Per Common Share

Net earnings per common share - basic is computed by dividing net earnings by the weighted average number of common shares outstanding during each period. Net earnings per common share - diluted is computed by dividing net earnings by the weighted average number of common shares and common share equivalents outstanding during each period. Common share equivalents represent stock options and unvested shares of restricted stock and are calculated using the treasury stock method. Common share equivalents are excluded from the calculation if their effect is anti-dilutive.

The table below sets forth, for the periods indicated, a reconciliation of weighted average common shares outstanding - basic to weighted average common shares and common share equivalents outstanding - diluted and the average number of potentially dilutive securities and their respective weighted average exercise prices that were excluded from the calculation of diluted earnings per share because their effect was anti-dilutive:

	Years Ended December 31,
	2014		2013

Weighted average common shares outstanding - basic		10,431,743		10,363,678
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock		34,321		55,425
Weighted average common shares outstanding - diluted		10,466,064		10,419,103
Average number of potentially dilutive securities excluded from calculation		48,021		32,836

Effect of Recently Issued Amendments to Authoritative Accounting Guidance

In May 2014, the FASB issued new guidance on the recognition of revenue from contracts with customers. This guidance is presented in ASC Topic 606 (Revenue from Contracts with Customers). This new guidance will replace most existing revenue recognition guidance in U.S. GAAP when it becomes effective. Companies can use either the retrospective or cumulative effect transition method. This new guidance is effective for us on January 1, 2017. Early application is not permitted. We have not yet selected a transition method and we are still evaluating the effect that this guidance will have on our consolidated financial statements and related disclosures.

Note 3 - Goodwill, Intangible and Long-lived Assets

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets Disclosure [Text Block]

(3) GOODWILL, INTANGIBLE AND LONG-LIVED ASSETS

Goodwill and intangible assets on our balance sheets are the result of our acquisitions of Sigma Systems Corp. ("Sigma") in October 2008 and Thermonics, Inc. (“Thermonics”) in January 2012.

Goodwill

All of our goodwill is allocated to our Thermal Products segment. There were no changes in the amount of the carrying value of goodwill for the year ended December 31, 2014.

Intangible Assets

The following table provides further detail about our intangible assets as of December 31, 2014 and 2013:

	December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	979	$	501
Patented technology		590		346		244
Software		270		169		101
Trade name		140		103		37
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,715		883
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,715	$	1,393

	December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	725	$	755
Patented technology		590		307		283
Software		270		142		128
Trade name		140		68		72
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,360		1,238
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,360	$	1,748

We generally amortize our finite-lived intangible assets over their estimated useful lives on a straight-line basis, unless an alternate amortization method can be reliably determined. Any such alternate amortization method would be based on the pattern in which the economic benefits of the intangible asset are expected to be consumed. None of our finite-lived assets have any residual value. The following table provides further information about the estimated useful lives of our finite-lived intangible assets as of December 31, 2014:

	Estimated Useful Life		Remaining Estimated Useful Life at Dec. 31, 2014
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		-
Software		120		45
Patented technology		60		-
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		36.5
Customer backlog		3		-
Trade name		48		12.5
Patented technology		132		96.5
Non-compete/non-solicitation agreement		18		-

The following table sets forth changes in the amount of the carrying value of finite-lived intangible assets for the year ended December 31, 2014:

Balance - January 1, 2014	$	1,238
Amortization		(355	)
Balance - December 31, 2014	$	883

Total amortization expense for the years ended December 31, 2014 and 2013 was $355 and $446, respectively. The following table sets forth the estimated annual amortization expense for our finite-lived intangible assets for each of the next five years:

2015	$	289
2016	$	229
2017	$	212
2018	$	65
2019	$	39

Impairment of Goodwill and Indefinite Life Intangible Assets

During December 2014 and 2013, we assessed our goodwill and indefinite life intangible asset for impairment in accordance with the requirements of ASC Topic 350 (Intangibles - Goodwill and Other). Our goodwill impairment assessment is based upon a combination of the income approach, which estimates the fair value of our reporting units based upon a discounted cash flow approach, and the market approach which estimates the fair value of our reporting units based upon comparable market multiples. This fair value is then reconciled to our market capitalization at year end with an appropriate control premium. The discount rates used in 2014 and 2013 for the discounted cash flows were 17% and 20%, respectively. The selection of these rates was based upon our analysis of market based estimates of capital costs and discount rates. The peer companies used in the market approach operate in our market segment. The determination of the fair value of our reporting units requires management to make significant estimates and assumptions including the selection of appropriate peer group companies, control premiums, discount rate, terminal growth rates, forecasts of revenue and expense growth rates, changes in working capital, depreciation, amortization and capital expenditures. Changes in assumptions concerning future financial results or other underlying assumptions could have a significant impact on either the fair value of the reporting unit or the amount of the goodwill impairment charge.

During the goodwill impairment assessment in both 2014 and 2013, we performed a Step I test to identify potential impairment, in which the fair value of the reporting unit was compared with its book value. This assessment indicated no impairment existed as the fair value of this reporting unit was determined to exceed its carrying value by 68% or $15,971 at December 31, 2014 and by 65% or $13,888 at December 31, 2013.

During the indefinite life intangible asset impairment assessment in both 2014 and 2013, we compared the fair value of our intangible asset with its carrying amount. This assessment indicated no impairment existed as the fair value of the intangible assets exceeded their carrying values in both 2014 and 2013.

Impairment of Long-Lived Assets and Finite-lived Intangible Assets

As previously noted, our long-lived assets consist of our finite-lived intangible assets and property and equipment. During both December 2014 and 2013, due to continued operating losses experienced in our Mechanical Products segment, we assessed the long-lived assets of this segment for impairment. Our assessments indicated that the property and equipment that is allocated to this segment was not impaired. During 2014 and 2013, we did not review our Thermal and Electrical Products segment's long lived assets for impairment as there were no events or changes in business circumstances that would indicate an impairment might exist.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Note 4 - Major Customers

12 Months Ended

Dec. 31, 2014

Risks and Uncertainties [Abstract]

Concentration Risk Disclosure [Text Block]

(4) MAJOR CUSTOMERS

Texas Instruments Incorporated accounted for 13% of our consolidated net revenues in both 2014 and 2013. While all three of our operating segments sold products to this customer, these revenues were primarily generated by our Mechanical Products and Electrical Products segments. Hakuto Co. Ltd. accounted for 11% of our consolidated net revenues in 2014. These revenues were generated by our Thermal Products segment. During the years ended December 31, 2014 and 2013, no other customer accounted for 10% or more of our consolidated net revenues.

Note 5 - Inventories

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

(5) INVENTORIES

Inventories held at December 31 were comprised of the following:

	2014		2013
Raw materials	$	2,505	$	2,753
Work in process		406		222
Inventory consigned to others		129		94
Finished goods		729		174
	$	3,769	$	3,243

Note 6 - Other Current Liabilities

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]

(6) OTHER CURRENT LIABILITIES

Other current liabilities at December 31 were comprised of the following:

	2014		2013
Accrued warranty	$	118	$	123
Deferred revenue and customer deposits		70		74
Other		65		104
	$	253	$	301

Note 7 - Debt

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Debt Disclosure [Text Block]

(7) DEBT

Letters of Credit

We have issued letters of credit as the security deposits for certain of our domestic leases. These letters of credit are secured by pledged certificates of deposit which are classified as Restricted Certificates of Deposit on our balance sheets. The terms of our leases require us to renew these letters of credit at least 30 days prior to their expiration dates for successive terms of not less than one year until lease expiration. The terms of our leases also allow us to request a reduction in the amount of these letters of credit at certain points during the lease term if there have been no events of default. As of December 31, 2014, there have been no events of default. Our outstanding letters of credit at December 31, 2014 and 2013 consisted of the following:

L/C

Lease

Letters of Credit
Amount Outstanding

Facility

Original L/C
Issue Date

Expiration
Date

Dec. 31
2014

Dec. 31,
2013

Mt. Laurel, NJ

3/29/2010

3/31/2015

4/30/2021

250

Mansfield, MA

10/27/2010

11/08/2015

8/23/2021

100

200

350

450

Note 8 - Equipment Leasing

12 Months Ended

Dec. 31, 2014

Leases, Operating [Abstract]

Operating Leases of Lessor Disclosure [Text Block]

(8) EQUIPMENT LEASING

In our Thermal Products and Mechanical Products segments, we lease certain of our equipment to customers under non-cancellable operating leases. These leases generally have an initial term of six months. We recognize revenue for these leases on a straight-line basis over the term of the lease.

The total cost of leased equipment at December 31, 2014 and 2013 was $692 and $561, respectively, and is included in Machinery and Equipment on our balance sheet. As of December 31, 2014 and 2013, accumulated depreciation for leased equipment was $167 and $138, respectively.

As of December 31, 2014, total minimum payments receivable under non-cancellable operating leases were $151. All of these payments will be received in 2015.

Note 9 - Commitments and Contingencies

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies Disclosure [Text Block]

(9) COMMITMENTS AND CONTINGENCIES

Operating Lease Commitments

We lease our offices, warehouse facilities, automobiles and certain equipment under non-cancellable operating leases which expire at various dates through 2021. Total rental expense for the years ended December 31, 2014 and 2013 was $1,307 and $1,221, respectively. Certain of our operating leases contain predetermined fixed escalations of minimum rentals and rent holidays during the original lease terms. Rent holidays are periods during which we have control of the leased facility but are not obligated to pay rent. For these leases, we recognize the related rental expense on a straight-line basis over the life of the lease, which includes any rent holiday, and record the difference between the amounts charged to operations and amounts paid as Accrued Rent on our balance sheet. In addition to the monthly rental payments due, most of our leases for our offices and warehouse facilities require us to pay our portion of the common area maintenance, property taxes and insurance charges incurred by the landlord for the facilities which we occupy. These amounts are generally included in rental expense in our statement of operations, but they are not included in the minimum rental commitments disclosed below as they are based on actual charges incurred in the periods to which they apply.

The aggregate minimum rental commitments under the non-cancellable operating leases in effect at December 31, 2014 are as follows:

2015	$	1,045
2016		1,097
2017		1,062
2018		981
2019		999
Thereafter		1,504

	$	6,688

Note 10 - Income Taxes

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

(10) INCOME TAXES

We are subject to Federal and certain state income taxes. In addition, we are taxed in certain foreign countries. As of December 31, 2014 and 2013, there were no cumulative undistributed earnings of our foreign subsidiaries for which U.S. income taxes have not been provided.

Earnings before income taxes was as follows:

	Years Ended December 31,
	2014		2013
Domestic	$	4,061	$	3,245
Foreign		848		763

	$	4,909	$	4,008

Income tax expense (benefit) was as follows:

	Years Ended December 31,
	2014			2013
Current
Domestic -- Federal	$	1,073		$	515
Domestic -- state		78			74
Foreign		1			35
	$	1,152			624
Deferred
Domestic -- Federal		401			218
Domestic -- state		256			212
Foreign		(339	)		(123	)
		318			307
Income tax expense	$	1,470		$	931

Deferred income taxes reflect the net tax effect of net operating loss and credit carryforwards as well as temporary differences between the carrying amount of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. The following is a summary of the significant components of our deferred tax assets and liabilities as of December 31, 2014 and 2013:

	December 31,
Deferred tax assets:	2014			2013
Depreciation of property and equipment	$	596		$	646
Net operating loss ("NOL") (state and foreign)		513			829
Intangibles		224			162
Inventories		184			180
Accrued vacation pay and stock-based compensation		126			169
Tax credit carryforwards (foreign, research and AMT)		92			269
Allowance for doubtful accounts		56			56
Acquisition costs		34			37
Accrued warranty		6			11
Other		21			26
		1,852			2,385
Valuation allowance		(100	)		(287	)
Deferred tax assets		1,752			2,098
Deferred tax liabilities:
Net intangible assets		(232	)		(260	)
Unremitted earnings of foreign subsidiaries		(107	)		(107	)
Deferred tax liabilities		(339	)		(367	)
Net deferred tax asset	$	1,413		$	1,731

The valuation allowance for deferred tax assets as of the beginning of 2014 and 2013 was $287 and $573, respectively. The net change in the valuation allowance for the years ended December 31, 2014 and 2013 were decreases of $187 and $286, respectively. In assessing the ability to realize the deferred tax assets, we consider whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during periods in which those temporary differences become deductible. We consider the scheduled reversal of deferred tax liabilities, projected future taxable income and tax planning strategies in making this assessment. In order to fully realize the total deferred tax assets, we will need to generate future taxable income prior to the expiration of net operating loss and credit carryforwards which expire in various years through 2034.

An analysis of the effective tax rate for the years ended December 31, 2014 and 2013 and a reconciliation from the expected statutory rate of 34% is as follows:

	Years Ended December 31,
	2014			2013
Expected income tax provision at U.S. statutory rate	$	1,669		$	1,363
Increase (decrease) in tax from:
Changes in valuation allowance		(187	)		(286	)
Current year tax credits (foreign and research)		(179	)		(417	)
Foreign income tax rate differences		(63	)		(80	)
Deemed dividend from foreign subsidiaries		208			135
NOL carryforwards utilized		93			200
Domestic tax expense, net of Federal benefit		52			127
Nondeductible expenses		7			10
Other		(130	)		(121	)
Income tax expense	$	1,470		$	931

In accounting for income taxes, we follow the guidance in ASC Topic 740 (Income Taxes) regarding the recognition and measurement of uncertain tax positions in our financial statements. Recognition involves a determination of whether it is more likely than not that a tax position will be sustained upon examination with the presumption that the tax position will be examined by the appropriate taxing authority having full knowledge of all relevant information. Our policy is to record interest and penalties associated with unrecognized tax benefits as additional income taxes in the statement of operations. As of December 31, 2014 and 2013, we did not have an accrual for uncertain tax positions.

We file U.S. income tax returns and multiple state and foreign income tax returns. With few exceptions, the U.S. and state income tax returns filed for the tax years ending on December 31, 2011 and thereafter are subject to examination by the relevant taxing authorities.

Note 11 - Legal Proceedings

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Legal Matters and Contingencies [Text Block]

(11) LEGAL PROCEEDINGS

From time to time we may be a party to legal proceedings occurring in the ordinary course of business. We are not currently involved in any legal proceedings the resolution of which we believe could have a material effect on our business, financial position, results of operations or long-term liquidity.

Note 12 - Stock-based Compensation Plan

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

(12) STOCK-BASED COMPENSATION PLAN

As of December 31, 2014, we have unvested restricted stock awards granted under the inTEST Corporation 2007 Stock Plan (the "2007 Stock Plan"). The 2007 Stock Plan was approved at our annual meeting of stockholders held on June 13, 2007. The 2007 Stock Plan permits the granting of stock options or restricted stock, for up to 500,000 shares of our common stock, to officers, other key employees and consultants. As of December 31, 2014, 57,500 shares remain available to grant under the 2007 Stock Plan.

In addition, at our annual meeting on June 25, 2014, our stockholders approved the inTEST Corporation 2014 Stock Plan (the "2014 Stock Plan"). The 2014 Stock Plan permits the granting of stock options, restricted stock, stock appreciation rights or restricted stock units for up to 500,000 shares of our common stock to directors, officers, other key employees and consultants. As of December 31, 2014, no stock awards have been granted under the 2014 Stock Plan.

We have not granted any stock options during 2014 or 2013. Our unvested restricted stock awards outstanding are accounted for based on their grant date fair value. As of December 31, 2014, total compensation expense to be recognized in future periods was $326. All of this expense is related to nonvested shares of restricted stock. The weighted average period over which this expense is expected to be recognized is 2.7 years.

Stock Options

The following table summarizes the stock option activity for the two years ended December 31, 2014:

	Number of Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2013 (219,000 exercisable)		219,000		$	3.17
Granted		-			-
Exercised		(10,000	)		3.04
Canceled		(199,000	)		3.05
Options outstanding, December 31, 2013 (10,000 exercisable)		10,000			5.66
Granted		-			-
Exercised		-			-
Canceled		(10,000	)		5.66
Options outstanding, December 31, 2014		-			-

Restricted Stock Awards

We record compensation expense for restricted stock awards (nonvested shares) based on the quoted market price of our stock at the grant date and amortize the expense over the vesting period. Restricted stock awards generally vest over four years. The following table summarizes the compensation expense we recorded during 2014 and 2013, related to nonvested shares:

	Years Ended December 31,
	2014		2013
Cost of revenues	$	11	$	8
Selling expense		6		10
Engineering and product development expense		16		28
General and administrative expense		101		82
	$	134	$	128

There was no compensation expense capitalized in 2014 or 2013. The following table summarizes the activity related to nonvested shares for the two years ended December 31, 2014:

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares outstanding, January 1, 2013		108,750		$	1.63
Granted		127,500			3.62
Vested		(56,250	)		1.70
Forfeited		-			-
Nonvested shares outstanding, December 31, 2013		180,000			2.69
Granted		10,000			4.14
Vested		(83,125	)		2.31
Forfeited		(5,000	)		3.97
Nonvested shares outstanding, December 31, 2014		101,875			2.82

The total fair value of the shares that vested during the years ended December 31, 2014 and 2013 was $351 and $176, respectively, as of the vesting dates of these shares.

Note 13 - Employee Benefit Plans

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

(13) EMPLOYEE BENEFIT PLANS

We have a defined contribution 401(k) plan for our employees who work in the U.S. (the "inTEST 401(k) Plan"). All permanent employees of inTEST Corporation, Temptronic Corporation and inTEST Silicon Valley Corporation who are at least 18 years of age are eligible to participate in the plan. We match employee contributions dollar for dollar up to 10% of the employee's annual compensation, with a maximum limit of $5. Employer contributions vest ratably over four years. Matching contributions are discretionary. For the years ended December 31, 2014 and 2013, we recorded $317 and $320 of expense for matching contributions, respectively.

Note 14 - Segment Information

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

(14) SEGMENT INFORMATION

We have three reportable segments, which are also our reporting units: Thermal Products, Mechanical Products and Electrical Products.

The Thermal Products segment includes the operations of Temptronic Corporation, Thermonics, Sigma, inTEST Thermal Solutions GmbH (Germany), and inTEST Pte, Limited (Singapore). Sales of this segment consist primarily of temperature management systems which we design, manufacture and market under our Temptronic, Thermonics and Sigma product lines. In addition, this segment provides post warranty service and support.

The Mechanical Products segment includes the operations of our Mt. Laurel, New Jersey manufacturing facility. Sales of our Mechanical Products segment consist primarily of manipulator and docking hardware products, which we design, manufacture and market. In addition, this segment provides post warranty service and support for various ATE equipment.

The Electrical Products segment includes the operations of inTEST Silicon Valley Corporation. Sales of this segment consist primarily of tester interface products which we design, manufacture and market.

We operate our business worldwide, and all three segments sell their products both domestically and internationally. All three segments sell to semiconductor manufacturers, third-party test and assembly houses and ATE manufacturers. Our Thermal Products segment also sells into a variety of markets outside of the ATE market, including the automotive, consumer electronics, defense/aerospace, energy, industrial and telecommunications markets. Intercompany pricing between segments is either a multiple of cost for component parts or list price for finished goods.

	Years Ended December 31,
Net revenues from unaffiliated customers:	2014			2013
Thermal Products	$	23,446		$	22,962
Mechanical Products		11,245			9,962
Electrical Products		7,105			6,502
	$	41,796		$	39,426
Depreciation/amortization:
Thermal Products	$	720		$	695
Mechanical Products		87			79
Electrical Products		72			73
	$	879		$	847
Operating income (loss):
Thermal Products	$	4,740		$	4,322
Mechanical Products		(18	)		(784	)
Electrical Products		781			722
Corporate		(587	)		(298	)
	$	4,916		$	3,962
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	4,699		$	4,327
Mechanical Products		(5	)		(772	)
Electrical Products		802			751
Corporate		(587	)		(298	)
	$	4,909		$	4,008
Income tax expense (benefit):
Thermal Products	$	1,407		$	1,005
Mechanical Products		(2	)		(179	)
Electrical Products		240			174
Corporate		(175	)		(69	)
	$	1,470		$	931
Net earnings (loss):
Thermal Products	$	3,292		$	3,322
Mechanical Products		(3	)		(593	)
Electrical Products		562			577
Corporate		(412	)		(229	)
	$	3,439		$	3,077
Capital expenditures:
Thermal Products	$	595		$	349
Mechanical Products		96			16
Electrical Products		140			59
	$	831		$	424

	December 31,
Identifiable assets:	2014		2013
Thermal Products	$	26,211	$	23,934
Mechanical Products		7,801		7,093
Electrical Products		4,726		4,454
	$	38,738	$	35,481

The following table provides information about our geographic areas of operation. Net revenues from unaffiliated customers are based on the location to which the goods are shipped.

	Years Ended December 31,
Net revenues from unaffiliated customers:	2014		2013
U.S.	$	14,363	$	13,337
Foreign		27,433		26,089

	$	41,796	$	39,426

	December 31,
Property and equipment:	2014		2013
U.S.	$	621	$	700
Foreign		647		554

	$	1,268	$	1,254

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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-Name Accounting Standards Codification
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+ Details

Note 15 - Quarterly Consolidated Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

(15) QUARTERLY CONSOLIDATED FINANCIAL DATA (Unaudited)

The following tables present certain unaudited consolidated quarterly financial information for each of the eight quarters ended December 31, 2014. In our opinion, this quarterly information has been prepared on the same basis as the consolidated financial statements and includes all adjustments (consisting only of normal recurring adjustments) necessary to present fairly the information for the periods presented. The results of operations for any quarter are not necessarily indicative of results for the full year or for any future period.

Year-over-year quarterly comparisons of our results of operations may not be as meaningful as the sequential quarterly comparisons set forth below that tend to reflect the cyclical activity of the semiconductor and ATE markets. Quarterly fluctuations in expenses are related directly to sales activity and volume and may also reflect the timing of operating expenses incurred throughout the year.

	Quarters Ended
	3/31/14		6/30/14		9/30/14		12/31/14		Total
Net revenues	$	8,797	$	12,343	$	10,794	$	9,862	$	41,796
Gross margin		4,185		6,082		5,168		5,027		20,462
Earnings before income tax expense		411		2,054		1,268		1,176		4,909
Income tax expense		125		697		431		217		1,470
Net earnings		286		1,357		837		959		3,439

Net earnings per common share - basic	$	0.03	$	0.13	$	0.08	$	0.09	$	0.33
Weighted average common shares outstanding - basic		10,393,956		10,436,730		10,440,803		10,454,716		10,431,743
Net earnings per common share - diluted	$	0.03	$	0.13	$	0.08	$	0.09	$	0.33
Weighted average common shares outstanding - diluted		10,448,911		10,456,183		10,477,814		10,480,867		10,466,064

	Quarters Ended
	3/31/13		6/30/13		9/30/13		12/31/13		Total
Net revenues	$	8,973	$	11,218	$	9,900	$	9,335	$	39,426
Gross margin		4,105		5,465		4,756		4,689		19,015
Earnings before income tax expense		370		1,487		1,114		1,037		4,008
Income tax expense		78		484		24		345		931
Net earnings		292		1,003		1,090		692		3,077

Net earnings per common share - basic	$	0.03	$	0.10	$	0.11	$	0.07	$	0.30
Weighted average common shares outstanding - basic		10,327,428		10,371,716		10,377,189		10,377,678		10,363,678
Net earnings per common share - diluted	$	0.03	$	0.10	$	0.10	$	0.07	$	0.30
Weighted average common shares outstanding - diluted		10,366,312		10,394,094		10,404,095		10,435,096		10,419,103

Accounting Policies, by Policy (Policies)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Basis of Presentation and Use of Estimates [Policy Text Block]

Reclassification, Policy [Policy Text Block]

Reclassification

Certain prior year amounts have been reclassified to be comparable with the current year's presentation.

Cash and Cash Equivalents, Policy [Policy Text Block]

Cash and Cash Equivalents

Short-term investments that have maturities of three months or less when purchased are considered to be cash equivalents and are carried at cost, which approximates market value. Our cash balances, which are deposited with highly reputable financial institutions, at times may exceed the federally insurance limits. We have not experienced any losses related to these cash balances and believe the credit risk to be minimal.

Receivables, Policy [Policy Text Block]

Trade Accounts Receivable and Allowance for Doubtful Accounts

Trade accounts receivable are recorded at the invoiced amount and do not bear interest. We grant credit to customers and generally require no collateral. To minimize our risk, we perform ongoing credit evaluations of our customers' financial condition. The allowance for doubtful accounts is our best estimate of the amount of probable credit losses in our existing accounts receivable. We determine the allowance based on historical write-off experience and the aging of such receivables, among other factors. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. We do not have any off-balance sheet credit exposure related to our customers. There was no bad debt expense recorded in either of the years ended December 31, 2014 or 2013. Cash flows from accounts receivable are recorded in operating cash flows.

Fair Value Measurement, Policy [Policy Text Block]

Inventory, Policy [Policy Text Block]

Inventories

Inventories are valued at cost on a first-in, first-out basis, not in excess of market value. Cash flows from the sale of inventories are recorded in operating cash flows. On a quarterly basis, we review our inventories and record excess and obsolete inventory charges based upon our established objective excess and obsolete inventory criteria. These criteria identify material that has not been used in a work order during the prior twelve months and the quantity of material on hand that is greater than the average annual usage of that material over the prior three years. In certain cases, additional excess and obsolete inventory charges are recorded based upon current market conditions, anticipated product life cycles, new product introductions and expected future use of the inventory. The excess and obsolete inventory charges we record establish a new cost basis for the related inventories. We incurred excess and obsolete inventory charges of $344 and $311 for the years ended December 31, 2014 and 2013, respectively.

Property, Plant and Equipment, Policy [Policy Text Block]

Property and Equipment

Machinery and equipment are stated at cost. As further discussed below under "Goodwill, Intangible and Long-Lived Assets," machinery and equipment that has been determined to be impaired is written down to its fair value at the time of the impairment. Depreciation is based upon the estimated useful life of the assets using the straight-line method. The estimated useful lives range from one to ten years. Leasehold improvements are recorded at cost and amortized over the shorter of the lease term or the estimated useful life of the asset. Total depreciation expense was $524 and $401 for the years ended December 31, 2014 and 2013, respectively.

Goodwill Intangible and Long Lived Assets [Policy Text Block]

Goodwill, Intangible and Long-Lived Assets

We account for goodwill and intangible assets in accordance with Accounting Standards Codification ("ASC") 350 (Intangibles- Goodwill and Other). Finite-lived intangible assets are amortized over their estimated useful economic life and are carried at cost less accumulated amortization. Goodwill is assessed for impairment at least annually in the fourth quarter, on a reporting unit basis, or more frequently when events and circumstances occur indicating that the recorded goodwill may be impaired. As a part of the goodwill impairment assessment, we have the option to perform a qualitative assessment to determine whether it is more-likely-than-not that the fair value of a reporting unit is less than its carrying amount. If we determine this is the case, we are required to perform a two-step goodwill impairment test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized. The two-step test is discussed below. If we determine that it is more-likely-than-not that the fair value of the reporting unit is greater than its carrying amounts, the two-step goodwill impairment test is not required.

If we determine it is more-likely-than-not that the fair value of a reporting unit is less than its carrying amount as a result of our qualitative assessment, we will perform a quantitative two-step goodwill impairment test. In the Step I test, the fair value of a reporting unit is computed and compared with its book value. If the book value of a reporting unit exceeds its fair value, a Step II test is performed in which the implied fair value of goodwill is compared with the carrying amount of goodwill. If the carrying amount of goodwill exceeds the implied fair value, an impairment loss is recorded in an amount equal to that excess. The two-step goodwill impairment assessment is based upon a combination of the income approach, which estimates the fair value of our reporting units based upon a discounted cash flow approach, and the market approach which estimates the fair value of our reporting units based upon comparable market multiples. This fair value is then reconciled to our market capitalization at year end with an appropriate control premium. The determination of the fair value of our reporting units requires management to make significant estimates and assumptions including the selection of appropriate peer group companies, control premiums, discount rate, terminal growth rates, forecasts of revenue and expense growth rates, changes in working capital, depreciation, amortization and capital expenditures. Changes in assumptions concerning future financial results or other underlying assumptions could have a significant impact on either the fair value of the reporting unit or the amount of the goodwill impairment charge.

Indefinite-lived intangible assets are assessed for impairment at least annually in the fourth quarter, or more frequently if events or changes in circumstances indicate that the asset might be impaired. As a part of the impairment assessment, we have the option to perform a qualitative assessment to determine whether it is more likely than not that an indefinite-lived intangible asset is impaired. If, as a result of our qualitative assessment, we determine that it is more-likely-than-not that the fair value of the indefinite-lived intangible asset is less than its carrying amount, the quantitative impairment test is required. Otherwise, no further testing is required. The quantitative impairment test consists of a comparison of the fair value of the intangible asset with its carrying amount. If the carrying amount of the intangible asset exceeds its fair value, an impairment loss is recognized in an amount equal to that excess.

Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]

Stock-Based Compensation

We account for stock-based compensation in accordance with ASC Topic 718 (Compensation - Stock Compensation) which requires that employee share-based equity awards be accounted for under the fair value method and requires the use of an option pricing model for estimating fair value, which is then amortized to expense over the service periods. See further disclosures related to our stock-based compensation plan in Note 12.

Subsequent Events, Policy [Policy Text Block]

Subsequent Events

We have made an assessment of our operations and determined that there were no material subsequent events requiring adjustment to, or disclosure in, our consolidated financial statements for the year ended December 31, 2014.

Revenue Recognition, Policy [Policy Text Block]

Revenue Recognition

We recognize revenue when persuasive evidence of an arrangement exists, delivery has occurred or services have been rendered, the price is fixed or determinable, and collection of the related receivable is reasonably assured. Sales of our products are made through our sales employees, third-party sales representatives and distributors. There are no differences in revenue recognition policies based on the sales channel. We do not provide our customers with rights of return or exchanges. Revenue is generally recognized upon product shipment. Our customers' purchase orders do not typically contain any customer-specific acceptance criteria, other than that the product performs within the agreed upon specifications. We test all products manufactured as part of our quality assurance process to determine that they comply with specifications prior to shipment to a customer. To the extent that any customer purchase order contains customer-specific acceptance criteria, revenue recognition is deferred until customer acceptance.

In addition, in our Thermal Products and Mechanical Products segments, we lease certain of our equipment to customers under non-cancellable operating leases. These leases generally have an initial term of six months. We recognize revenue for these leases on a straight-line basis over the term of the lease.

With respect to sales tax collected from customers and remitted to governmental authorities, we use a net presentation in our consolidated statement of operations. As a result, there are no amounts included in either our net revenues or cost of revenues related to sales tax.

Standard Product Warranty, Policy [Policy Text Block]

Product Warranties

We generally provide product warranties and record estimated warranty expense at the time of sale based upon historical claims experience. Warranty expense is included in selling expense in the consolidated financial statements.

Research and Development Expense, Policy [Policy Text Block]

Engineering and Product Development

Engineering and product development costs, which consist primarily of the salary and related benefits costs of our technical staff, as well as the cost of materials used in product development, are expensed as incurred.

Foreign Currency Transactions and Translations Policy [Policy Text Block]

Foreign Currency

For our foreign subsidiary whose functional currency is not the U.S. dollar, assets and liabilities are translated using the exchange rate in effect at the balance sheet date. The results of operations are translated using an average exchange rate for the period. The effects of rate fluctuations in translating assets and liabilities of these international operations into U.S. dollars are included in accumulated other comprehensive earnings in stockholders' equity. Transaction gains or losses are included in net earnings. For the years ended December 31, 2014 and 2013, foreign currency transaction losses were $44 and $4, respectively.

Income Tax, Policy [Policy Text Block]

Income Taxes

The asset and liability method is used in accounting for income taxes. Under this method, deferred tax assets and liabilities are recognized for operating loss and tax credit carryforwards and for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in the results of operations in the period that includes the enactment date. A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets if it is more likely than not that such assets will not be realized.

Earnings Per Share, Policy [Policy Text Block]

	Years Ended December 31,
	2014		2013

Weighted average common shares outstanding - basic		10,431,743		10,363,678
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock		34,321		55,425
Weighted average common shares outstanding - diluted		10,466,064		10,419,103
Average number of potentially dilutive securities excluded from calculation		48,021		32,836

New Accounting Pronouncements, Policy [Policy Text Block]

Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

	Years Ended December 31,
	2014		2013

Weighted average common shares outstanding - basic		10,431,743		10,363,678
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock		34,321		55,425
Weighted average common shares outstanding - diluted		10,466,064		10,419,103
Average number of potentially dilutive securities excluded from calculation		48,021		32,836

Note 3 - Goodwill, Intangible and Long-lived Assets (Tables)

12 Months Ended

Dec. 31, 2014

Carrying Value Changes [Member]

Note 3 - Goodwill, Intangible and Long-lived Assets (Tables) [Line Items]

Schedule of Intangible Assets [Table Text Block]

Balance - January 1, 2014	$	1,238
Amortization		(355	)
Balance - December 31, 2014	$	883

Schedule of Intangible Assets [Table Text Block]

	December 31, 2014
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	979	$	501
Patented technology		590		346		244
Software		270		169		101
Trade name		140		103		37
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,715		883
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,715	$	1,393

	December 31, 2013
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Finite-lived intangible assets:
Customer relationships	$	1,480	$	725	$	755
Patented technology		590		307		283
Software		270		142		128
Trade name		140		68		72
Customer backlog		70		70		-
Non-compete/non-solicitation agreement		48		48		-
Total finite-lived intangible assets		2,598		1,360		1,238
Indefinite-lived intangible assets:
Sigma trademark		510		-		510
Total intangible assets	$	3,108	$	1,360	$	1,748

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Estimated Useful Life		Remaining Estimated Useful Life at Dec. 31, 2014
	- - - - (in months) - - - -
Finite-lived intangible assets resulting from the acquisition of Sigma:
Customer relationships		72		-
Software		120		45
Patented technology		60		-
Finite-lived intangible assets resulting from the acquisition of Thermonics:
Customer relationships		72		36.5
Customer backlog		3		-
Trade name		48		12.5
Patented technology		132		96.5
Non-compete/non-solicitation agreement		18		-

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

2015	$	289
2016	$	229
2017	$	212
2018	$	65
2019	$	39

Note 5 - Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2014		2013
Raw materials	$	2,505	$	2,753
Work in process		406		222
Inventory consigned to others		129		94
Finished goods		729		174
	$	3,769	$	3,243

Note 6 - Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Text Block Supplement [Abstract]

Current Liabilities [Table Text Block]

	2014		2013
Accrued warranty	$	118	$	123
Deferred revenue and customer deposits		70		74
Other		65		104
	$	253	$	301

Note 7 - Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule Of Outstanding Letters Of Credit [Table Text Block]

L/C

Lease

Letters of Credit
Amount Outstanding

Facility

Original L/C
Issue Date

Expiration
Date

Dec. 31
2014

Dec. 31,
2013

Mt. Laurel, NJ

3/29/2010

3/31/2015

4/30/2021

250

Mansfield, MA

10/27/2010

11/08/2015

8/23/2021

100

200

350

450

Note 9 - Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2015	$	1,045
2016		1,097
2017		1,062
2018		981
2019		999
Thereafter		1,504

	$	6,688

Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2014

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	Years Ended December 31,
	2014		2013
Domestic	$	4,061	$	3,245
Foreign		848		763

	$	4,909	$	4,008

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Years Ended December 31,
	2014			2013
Current
Domestic -- Federal	$	1,073		$	515
Domestic -- state		78			74
Foreign		1			35
	$	1,152			624
Deferred
Domestic -- Federal		401			218
Domestic -- state		256			212
Foreign		(339	)		(123	)
		318			307
Income tax expense	$	1,470		$	931

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	December 31,
Deferred tax assets:	2014			2013
Depreciation of property and equipment	$	596		$	646
Net operating loss ("NOL") (state and foreign)		513			829
Intangibles		224			162
Inventories		184			180
Accrued vacation pay and stock-based compensation		126			169
Tax credit carryforwards (foreign, research and AMT)		92			269
Allowance for doubtful accounts		56			56
Acquisition costs		34			37
Accrued warranty		6			11
Other		21			26
		1,852			2,385
Valuation allowance		(100	)		(287	)
Deferred tax assets		1,752			2,098
Deferred tax liabilities:
Net intangible assets		(232	)		(260	)
Unremitted earnings of foreign subsidiaries		(107	)		(107	)
Deferred tax liabilities		(339	)		(367	)
Net deferred tax asset	$	1,413		$	1,731

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31,
	2014			2013
Expected income tax provision at U.S. statutory rate	$	1,669		$	1,363
Increase (decrease) in tax from:
Changes in valuation allowance		(187	)		(286	)
Current year tax credits (foreign and research)		(179	)		(417	)
Foreign income tax rate differences		(63	)		(80	)
Deemed dividend from foreign subsidiaries		208			135
NOL carryforwards utilized		93			200
Domestic tax expense, net of Federal benefit		52			127
Nondeductible expenses		7			10
Other		(130	)		(121	)
Income tax expense	$	1,470		$	931

Note 12 - Stock-based Compensation Plan (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price
Options outstanding, January 1, 2013 (219,000 exercisable)		219,000		$	3.17
Granted		-			-
Exercised		(10,000	)		3.04
Canceled		(199,000	)		3.05
Options outstanding, December 31, 2013 (10,000 exercisable)		10,000			5.66
Granted		-			-
Exercised		-			-
Canceled		(10,000	)		5.66
Options outstanding, December 31, 2014		-			-

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

	Years Ended December 31,
	2014		2013
Cost of revenues	$	11	$	8
Selling expense		6		10
Engineering and product development expense		16		28
General and administrative expense		101		82
	$	134	$	128

Schedule of Nonvested Share Activity [Table Text Block]

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares outstanding, January 1, 2013		108,750		$	1.63
Granted		127,500			3.62
Vested		(56,250	)		1.70
Forfeited		-			-
Nonvested shares outstanding, December 31, 2013		180,000			2.69
Granted		10,000			4.14
Vested		(83,125	)		2.31
Forfeited		(5,000	)		3.97
Nonvested shares outstanding, December 31, 2014		101,875			2.82

Note 14 - Segment Information (Tables)

12 Months Ended

Dec. 31, 2014

Asset [Member]

Note 14 - Segment Information (Tables) [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	December 31,
Identifiable assets:	2014		2013
Thermal Products	$	26,211	$	23,934
Mechanical Products		7,801		7,093
Electrical Products		4,726		4,454
	$	38,738	$	35,481

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Years Ended December 31,
Net revenues from unaffiliated customers:	2014			2013
Thermal Products	$	23,446		$	22,962
Mechanical Products		11,245			9,962
Electrical Products		7,105			6,502
	$	41,796		$	39,426
Depreciation/amortization:
Thermal Products	$	720		$	695
Mechanical Products		87			79
Electrical Products		72			73
	$	879		$	847
Operating income (loss):
Thermal Products	$	4,740		$	4,322
Mechanical Products		(18	)		(784	)
Electrical Products		781			722
Corporate		(587	)		(298	)
	$	4,916		$	3,962
Earnings (loss) before income tax expense (benefit):
Thermal Products	$	4,699		$	4,327
Mechanical Products		(5	)		(772	)
Electrical Products		802			751
Corporate		(587	)		(298	)
	$	4,909		$	4,008
Income tax expense (benefit):
Thermal Products	$	1,407		$	1,005
Mechanical Products		(2	)		(179	)
Electrical Products		240			174
Corporate		(175	)		(69	)
	$	1,470		$	931
Net earnings (loss):
Thermal Products	$	3,292		$	3,322
Mechanical Products		(3	)		(593	)
Electrical Products		562			577
Corporate		(412	)		(229	)
	$	3,439		$	3,077
Capital expenditures:
Thermal Products	$	595		$	349
Mechanical Products		96			16
Electrical Products		140			59
	$	831		$	424

Revenue from External Customers by Geographic Areas [Table Text Block]

	Years Ended December 31,
Net revenues from unaffiliated customers:	2014		2013
U.S.	$	14,363	$	13,337
Foreign		27,433		26,089

	$	41,796	$	39,426

Long-lived Assets by Geographic Areas [Table Text Block]

	December 31,
Property and equipment:	2014		2013
U.S.	$	621	$	700
Foreign		647		554

	$	1,268	$	1,254

Note 15 - Quarterly Consolidated Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	Quarters Ended
	3/31/14		6/30/14		9/30/14		12/31/14		Total
Net revenues	$	8,797	$	12,343	$	10,794	$	9,862	$	41,796
Gross margin		4,185		6,082		5,168		5,027		20,462
Earnings before income tax expense		411		2,054		1,268		1,176		4,909
Income tax expense		125		697		431		217		1,470
Net earnings		286		1,357		837		959		3,439

Net earnings per common share - basic	$	0.03	$	0.13	$	0.08	$	0.09	$	0.33
Weighted average common shares outstanding - basic		10,393,956		10,436,730		10,440,803		10,454,716		10,431,743
Net earnings per common share - diluted	$	0.03	$	0.13	$	0.08	$	0.09	$	0.33
Weighted average common shares outstanding - diluted		10,448,911		10,456,183		10,477,814		10,480,867		10,466,064

	Quarters Ended
	3/31/13		6/30/13		9/30/13		12/31/13		Total
Net revenues	$	8,973	$	11,218	$	9,900	$	9,335	$	39,426
Gross margin		4,105		5,465		4,756		4,689		19,015
Earnings before income tax expense		370		1,487		1,114		1,037		4,008
Income tax expense		78		484		24		345		931
Net earnings		292		1,003		1,090		692		3,077

Net earnings per common share - basic	$	0.03	$	0.10	$	0.11	$	0.07	$	0.30
Weighted average common shares outstanding - basic		10,327,428		10,371,716		10,377,189		10,377,678		10,363,678
Net earnings per common share - diluted	$	0.03	$	0.10	$	0.10	$	0.07	$	0.30
Weighted average common shares outstanding - diluted		10,366,312		10,394,094		10,404,095		10,435,096		10,419,103

Note 1 - Nature of Operations (Details)	12 Months Ended
Note 1 - Nature of Operations (Details)	Dec. 31, 2014
Disclosure Text Block [Abstract]
Number of Reportable Segments	3

Note 2 - Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Thermal Products and Mechanical Products [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Equipment Leased to Customers, Initial Term	6 months
Minimum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	one
Maximum [Member]
Note 2 - Summary of Significant Accounting Policies (Details) [Line Items]
Property, Plant and Equipment, Estimated Useful Lives	ten
Provision for Doubtful Accounts	$ 0	$ 0
Inventory Write-down	344	311
Depreciation	524	401
Foreign Currency Transaction Gain (Loss), before Tax	$ (44)	$ (4)

Note 2 - Summary of Significant Accounting Policies (Details) - Weighted Average Common Shares - shares	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Weighted Average Common Shares [Abstract]
Weighted average common shares outstanding - basic	10,454,716	10,440,803	10,436,730	10,393,956	10,377,678	10,377,189	10,371,716	10,327,428	10,431,743	10,363,678
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock									34,321	55,425
Weighted average common shares outstanding - diluted	10,480,867	10,477,814	10,456,183	10,448,911	10,435,096	10,404,095	10,394,094	10,366,312	10,466,064	10,419,103
Average number of potentially dilutive securities excluded from calculation									48,021	32,836

Note 3 - Goodwill, Intangible and Long-lived Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Period Increase (Decrease)	$ 0
Amortization of Intangible Assets	$ 355,000	$ 446,000
Fair Value Inputs, Discount Rate	17.00%	20.00%
Percent by which Goodwill Exceeds Fair Value	68.00%	65.00%
Amount by which Goodwill Exceeds Fair Value	$ 15,971,000	$ 13,888,000

Note 3 - Goodwill, Intangible and Long-lived Assets (Details) - Intangible Assets - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Trademarks [Member]
Indefinite-lived intangible assets:
Gross Carrying Amount	$ 510	$ 510
Net Carrying Amount	510	510
Customer Relationships [Member]
Finite-lived intangible assets:
Gross Carrying Amount	1,480	1,480
Accumulated Amortization	979	725
Net Carrying Amount	501	755
Indefinite-lived intangible assets:
Accumulated Amortization	979	725
Patented Technology [Member]
Finite-lived intangible assets:
Gross Carrying Amount	590	590
Accumulated Amortization	346	307
Net Carrying Amount	244	283
Indefinite-lived intangible assets:
Accumulated Amortization	346	307
Computer Software, Intangible Asset [Member]
Finite-lived intangible assets:
Gross Carrying Amount	270	270
Accumulated Amortization	169	142
Net Carrying Amount	101	128
Indefinite-lived intangible assets:
Accumulated Amortization	169	142
Trade Names [Member]
Finite-lived intangible assets:
Gross Carrying Amount	140	140
Accumulated Amortization	103	68
Net Carrying Amount	37	72
Indefinite-lived intangible assets:
Accumulated Amortization	103	68
Order or Production Backlog [Member]
Finite-lived intangible assets:
Gross Carrying Amount	70	70
Accumulated Amortization	70	70
Indefinite-lived intangible assets:
Accumulated Amortization	70	70
Noncompete Agreements [Member]
Finite-lived intangible assets:
Gross Carrying Amount	48	48
Accumulated Amortization	48	48
Indefinite-lived intangible assets:
Accumulated Amortization	48	48
Gross Carrying Amount	2,598	2,598
Accumulated Amortization	1,715	1,360
Net Carrying Amount	883	1,238
Gross Carrying Amount	3,108	3,108
Accumulated Amortization	1,715	1,360
Net Carrying Amount	$ 1,393	$ 1,748

Note 3 - Goodwill, Intangible and Long-lived Assets (Details) - Estimated Useful Lives of Finite Lived Intangible Assets	12 Months Ended
	Dec. 31, 2014
Customer Relationships [Member] \| Sigma [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	72 months
Customer Relationships [Member] \| Thermonics [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	72 months
Remaining estimated life	36 months 15 days
Computer Software, Intangible Asset [Member] \| Sigma [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	120 months
Remaining estimated life	45 months
Patented Technology [Member] \| Sigma [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	60 months
Patented Technology [Member] \| Thermonics [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	132 months
Remaining estimated life	96 months 15 days
Order or Production Backlog [Member] \| Thermonics [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	3 months
Trade Names [Member] \| Thermonics [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	48 months
Remaining estimated life	12 months 15 days
Noncompete Agreements [Member] \| Thermonics [Member]
Finite-lived intangible assets resulting from the acquisition of Sigma:
Estimated life	18 months

Note 3 - Goodwill, Intangible and Long-lived Assets (Details) - Changes in the Amount of the Carrying Value of Intangible Assets - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Changes in the Amount of the Carrying Value of Intangible Assets [Abstract]
Balance - January 1, 2014	$ 1,238
Amortization	(355)	$ (446)
Balance - December 31, 2014	$ 883	$ 1,238

Note 3 - Goodwill, Intangible and Long-lived Assets (Details) - Future Amortization Expense $ in Thousands	Dec. 31, 2014 USD ($)
Future Amortization Expense [Abstract]
2015	$ 289
2016	229
2017	212
2018	65
2019	$ 39

Note 4 - Major Customers (Details)	12 Months Ended
Note 4 - Major Customers (Details)	Dec. 31, 2014	Dec. 31, 2013
Texas Instruments Incorporated [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Note 4 - Major Customers (Details) [Line Items]
Concentration Risk, Percentage	13.00%	13.00%
Hakuto Co., Ltd. [Member] \| Sales Revenue, Net [Member] \| Customer Concentration Risk [Member]
Note 4 - Major Customers (Details) [Line Items]
Concentration Risk, Percentage	11.00%
Number of Operating Segments	3

Note 5 - Inventories (Details) - Inventories - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Inventories [Abstract]
Raw materials	$ 2,505	$ 2,753
Work in process	406	222
Inventory consigned to others	129	94
Finished goods	729	174
	$ 3,769	$ 3,243

Note 6 - Other Current Liabilities (Details) - Other Current Liabilities - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Other Current Liabilities [Abstract]
Accrued warranty	$ 118	$ 123
Deferred revenue and customer deposits	70	74
Other	65	104
	$ 253	$ 301

Note 7 - Debt (Details) - Outstanding Letters of Credit - Letter of Credit [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Mt. Laurel [Member]
Note 7 - Debt (Details) - Outstanding Letters of Credit [Line Items]
Original L/C Issue Date	Mar. 29, 2010
L/C Expiration Date	Mar. 31, 2015
Lease Expiration Date	Apr. 30, 2021
Letters of Credit Amount Outstanding	$ 250	$ 250
Mansfield [Member]
Note 7 - Debt (Details) - Outstanding Letters of Credit [Line Items]
Original L/C Issue Date	Oct. 27, 2010
L/C Expiration Date	Nov. 08, 2015
Lease Expiration Date	Aug. 23, 2021
Letters of Credit Amount Outstanding	$ 100	200
Letters of Credit Amount Outstanding	$ 350	$ 450

Note 8 - Equipment Leasing (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Equipment Leased to Other Party [Member]
Note 8 - Equipment Leasing (Details) [Line Items]
Machinery and Equipment, Gross	$ 692	$ 561
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	167	138
Operating Leases, Future Minimum Payments Receivable, Current	$ 151
Thermal Products and Mechanical Products [Member]
Note 8 - Equipment Leasing (Details) [Line Items]
Equipment Leased to Customers, Initial Term	6 months
Machinery and Equipment, Gross	$ 4,322	4,190
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 3,647	$ 3,530

Note 9 - Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense	$ 1,307	$ 1,221

Note 9 - Commitments and Contingencies (Details) - Minimum Rental Commitments Under Noncancellable Operating Leases $ in Thousands	Dec. 31, 2014 USD ($)
Minimum Rental Commitments Under Noncancellable Operating Leases [Abstract]
2015	$ 1,045
2016	1,097
2017	1,062
2018	981
2019	999
Thereafter	1,504
	$ 6,688

Note 10 - Income Taxes (Details) - USD ($)	12 Months Ended
Note 10 - Income Taxes (Details) - USD ($)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Deferred Tax Liability Not Recognized, Amount of Unrecognized Deferred Tax Liability, Undistributed Earnings of Foreign Subsidiaries	$ 0	$ 0
Deferred Tax Assets, Valuation Allowance	100,000	287,000	$ 573,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (187,000)	$ (286,000)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%	34.00%
Liability for Uncertain Tax Positions, Current	$ 0	$ 0

Note 10 - Income Taxes (Details) - Earnings Before Income Taxes - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Earnings Before Income Taxes [Abstract]
Domestic									$ 4,061	$ 3,245
Foreign									848	763
	$ 1,176	$ 1,268	$ 2,054	$ 411	$ 1,037	$ 1,114	$ 1,487	$ 370	$ 4,909	$ 4,008

Note 10 - Income Taxes (Details) - Income Tax Expense (Benefit) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Current
Domestic -- Federal									$ 1,073	$ 515
Domestic -- state									78	74
Foreign									1	35
									1,152	624
Deferred
Domestic -- Federal									401	218
Domestic -- state									256	212
Foreign									(339)	(123)
									318	307
Income tax expense	$ 217	$ 431	$ 697	$ 125	$ 345	$ 24	$ 484	$ 78	$ 1,470	$ 931

Note 10 - Income Taxes (Details) - Deferred Tax Assets and Liabilities - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred Tax Assets and Liabilities [Abstract]
Depreciation of property and equipment	$ 596	$ 646
Net operating loss ("NOL") (state and foreign)	513	829
Intangibles	224	162
Inventories	184	180
Accrued vacation pay and stock-based compensation	126	169
Tax credit carryforwards (foreign, research and AMT)	92	269
Allowance for doubtful accounts	56	56
Acquisition costs	34	37
Accrued warranty	6	11
Other	21	26
	1,852	2,385
Valuation allowance	(100)	(287)	$ (573)
Deferred tax assets	1,752	2,098
Deferred tax liabilities:
Net intangible assets	(232)	(260)
Unremitted earnings of foreign subsidiaries	(107)	(107)
Deferred tax liabilities	(339)	(367)
Net deferred tax asset	$ 1,413	$ 1,731

Note 10 - Income Taxes (Details) - Effective Tax Rate Analysis and Reconciliation of Expected Statutory Rate - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Effective Tax Rate Analysis and Reconciliation of Expected Statutory Rate [Abstract]
Expected income tax provision at U.S. statutory rate									$ 1,669	$ 1,363
Increase (decrease) in tax from:
Changes in valuation allowance									(187)	(286)
Current year tax credits (foreign and research)									(179)	(417)
Foreign income tax rate differences									(63)	(80)
Deemed dividend from foreign subsidiaries									208	135
NOL carryforwards utilized									93	200
Domestic tax expense, net of Federal benefit									52	127
Nondeductible expenses									7	10
Other									(130)	(121)
Income tax expense	$ 217	$ 431	$ 697	$ 125	$ 345	$ 24	$ 484	$ 78	$ 1,470	$ 931

Note 12 - Stock-based Compensation Plan (Details) - USD ($)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Restricted Stock [Member]
Note 12 - Stock-based Compensation Plan (Details) [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars)	$ 326,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	2 years 255 days
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount (in Dollars)	$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value (in Dollars)	$ 351,000	$ 176,000
Stock Plan 2007 [Member]
Note 12 - Stock-based Compensation Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	57,500
Stock Plan 2014 [Member]
Note 12 - Stock-based Compensation Plan (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0	0

Note 12 - Stock-based Compensation Plan (Details) - Stock Option Activity - $ / shares	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Option Activity [Abstract]
Options outstanding, January 1, 2013 (219,000 exercisable)	10,000	219,000
Options outstanding, January 1, 2013 (219,000 exercisable)	$ 5.66	$ 3.17
Options Outstanding Balance - Number of Shares	0	10,000
Options Outstanding Balance - Weighted Average Exercise Price	$ 0	$ 5.66
Options granted - Number of shares	0	0
Options granted - Weighted average exercise price		$ 0
Options exercised - Number of shares		(10,000)
Options exercised - Weighted average exercise price		$ 3.04
Options Cancelled - Number of Shares	(10,000)	(199,000)
Options Cancelled - Weighted Average Exercise Price	$ 5.66	$ 3.05

Note 12 - Stock-based Compensation Plan (Details) - Stock Option Activity (Parentheticals)	Dec. 31, 2013 shares
Stock Option Activity [Abstract]
Options exercisable - Number of Shares	219,000
Options exercisable - Number of Shares	10,000

Note 12 - Stock-based Compensation Plan (Details) - Allocation of Share-Based Compensation Expense - Restricted Stock [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Cost of Sales [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Allocated Share-Based Compensation Expense	$ 11	$ 8
Selling and Marketing Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Allocated Share-Based Compensation Expense	6	10
Research and Development Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Allocated Share-Based Compensation Expense	16	28
General and Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Allocated Share-Based Compensation Expense	101	82
Allocated Share-Based Compensation Expense	$ 134	$ 128

Note 12 - Stock-based Compensation Plan (Details) - Nonvested Shares - Restricted Stock [Member] - $ / shares	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Note 12 - Stock-based Compensation Plan (Details) - Nonvested Shares [Line Items]
Nonvested shares outstanding, January 1, 2013	180,000	108,750
Nonvested shares outstanding, January 1, 2013	$ 2.69	$ 1.63
Nonvested shares outstanding - Number of Shares	101,875	180,000
Nonvested shares outstanding - Weighted Average Grant Date Fair Value	$ 2.82	$ 2.69
Shares Granted - Number of Shares	10,000	127,500
Shares Granted - Weighted Average Grant Date Fair Value	$ 4.14	$ 3.62
Shares Vested - Number of Shares	(83,125)	(56,250)
Shares Vested - Weighted Average Grant Date Fair Value	$ 2.31	$ 1.70
Shares Forfeited - Number of Shares	(5,000)
Shares Forfeited - Weighted Average Grant Date Fair Value	$ 3.97

Note 13 - Employee Benefit Plans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	10.00%
Defined Contribution Plan, Maximum Annual Employer Matching Contribution per Emplyee, Amount	$ 5
Defined Contribution Plan Employer Matching Contribution Vesting Period	4 years
Defined Contribution Plan, Employer Discretionary Contribution Amount	$ 317	$ 320

Note 14 - Segment Information (Details)	12 Months Ended
Note 14 - Segment Information (Details)	Dec. 31, 2014
Segment Reporting [Abstract]
Number of Reportable Segments	3

Note 14 - Segment Information (Details) - Segment Information - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Thermal Products [Member]
Segment Reporting Information [Line Items]
Net revenues from unaffiliated customers									$ 23,446	$ 22,962
Depreciation/amortization:
Depreciation/amortization									720	695
Operating income (loss):
Operating Income (loss)									4,740	4,322
Earnings (loss) before income tax expense (benefit):
Earnings (loss) before income tax expense (benefit)									4,699	4,327
Income tax expense (benefit):
Income tax expense (benefit)									1,407	1,005
Net earnings (loss):
Net earnings (loss)									3,292	3,322
Capital expenditures:
Capital expenditures									595	349
Mechanical Products [Member]
Segment Reporting Information [Line Items]
Net revenues from unaffiliated customers									11,245	9,962
Depreciation/amortization:
Depreciation/amortization									87	79
Operating income (loss):
Operating Income (loss)									(18)	(784)
Earnings (loss) before income tax expense (benefit):
Earnings (loss) before income tax expense (benefit)									(5)	(772)
Income tax expense (benefit):
Income tax expense (benefit)									(2)	(179)
Net earnings (loss):
Net earnings (loss)									(3)	(593)
Capital expenditures:
Capital expenditures									96	16
Electrical Products [Member]
Segment Reporting Information [Line Items]
Net revenues from unaffiliated customers									7,105	6,502
Depreciation/amortization:
Depreciation/amortization									72	73
Operating income (loss):
Operating Income (loss)									781	722
Earnings (loss) before income tax expense (benefit):
Earnings (loss) before income tax expense (benefit)									802	751
Income tax expense (benefit):
Income tax expense (benefit)									240	174
Net earnings (loss):
Net earnings (loss)									562	577
Capital expenditures:
Capital expenditures									140	59
Corporate Segment [Member]
Operating income (loss):
Operating Income (loss)									(587)	(298)
Earnings (loss) before income tax expense (benefit):
Earnings (loss) before income tax expense (benefit)									(587)	(298)
Income tax expense (benefit):
Income tax expense (benefit)									(175)	(69)
Net earnings (loss):
Net earnings (loss)									(412)	(229)
Net revenues from unaffiliated customers	$ 9,862	$ 10,794	$ 12,343	$ 8,797	$ 9,335	$ 9,900	$ 11,218	$ 8,973	41,796	39,426
Depreciation/amortization									879	847
Operating Income (loss)									4,916	3,962
Earnings (loss) before income tax expense (benefit)	1,176	1,268	2,054	411	1,037	1,114	1,487	370	4,909	4,008
Income tax expense (benefit)	217	431	697	125	345	24	484	78	1,470	931
Net earnings (loss)	$ 959	$ 837	$ 1,357	$ 286	$ 692	$ 1,090	$ 1,003	$ 292	3,439	3,077
Capital expenditures:
Capital expenditures									$ 831	$ 424

Note 14 - Segment Information (Details) - Identifiable Assets - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
Thermal Products [Member]
Segment Reporting Information [Line Items]
Identifiable assets	$ 26,211	$ 23,934
Mechanical Products [Member]
Segment Reporting Information [Line Items]
Identifiable assets	7,801	7,093
Electrical Products [Member]
Segment Reporting Information [Line Items]
Identifiable assets	4,726	4,454
Identifiable assets	$ 38,738	$ 35,481

Note 14 - Segment Information (Details) - Net Revenue from Unaffiliated Customers - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
UNITED STATES
Note 14 - Segment Information (Details) - Net Revenue from Unaffiliated Customers [Line Items]
Revenues									$ 14,363	$ 13,337
Foreign [Member]
Note 14 - Segment Information (Details) - Net Revenue from Unaffiliated Customers [Line Items]
Revenues									27,433	26,089
Revenues	$ 9,862	$ 10,794	$ 12,343	$ 8,797	$ 9,335	$ 9,900	$ 11,218	$ 8,973	$ 41,796	$ 39,426

Note 14 - Segment Information (Details) - Long-lived Assets by Geographical Area - USD ($) $ in Thousands	Dec. 31, 2014	Dec. 31, 2013
UNITED STATES
Note 14 - Segment Information (Details) - Long-lived Assets by Geographical Area [Line Items]
Long-lived assets	$ 621	$ 700
Foreign [Member]
Note 14 - Segment Information (Details) - Long-lived Assets by Geographical Area [Line Items]
Long-lived assets	647	554
Long-lived assets	$ 1,268	$ 1,254

Note 15 - Quarterly Consolidated Financial Data (Unaudited) (Details) - Quarterly Consolidated Financial Data - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Quarterly Consolidated Financial Data [Abstract]
Net revenues	$ 9,862	$ 10,794	$ 12,343	$ 8,797	$ 9,335	$ 9,900	$ 11,218	$ 8,973	$ 41,796	$ 39,426
Gross margin	5,027	5,168	6,082	4,185	4,689	4,756	5,465	4,105	20,462	19,015
Earnings before income tax expense	1,176	1,268	2,054	411	1,037	1,114	1,487	370	4,909	4,008
Income tax expense	217	431	697	125	345	24	484	78	1,470	931
Net earnings	$ 959	$ 837	$ 1,357	$ 286	$ 692	$ 1,090	$ 1,003	$ 292	$ 3,439	$ 3,077
Net earnings per common share - basic (in Dollars per share)	$ 0.09	$ 0.08	$ 0.13	$ 0.03	$ 0.07	$ 0.11	$ 0.10	$ 0.03	$ 0.33	$ 0.30
Weighted average common shares outstanding - basic (in Shares)	10,454,716	10,440,803	10,436,730	10,393,956	10,377,678	10,377,189	10,371,716	10,327,428	10,431,743	10,363,678
Net earnings per common share - diluted (in Dollars per share)	$ 0.09	$ 0.08	$ 0.13	$ 0.03	$ 0.07	$ 0.10	$ 0.10	$ 0.03	$ 0.33	$ 0.30
Weighted average common shares outstanding - diluted (in Shares)	10,480,867	10,477,814	10,456,183	10,448,911	10,435,096	10,404,095	10,394,094	10,366,312	10,466,064	10,419,103