v2.4.0.8
Document And Entity Information (USD $)
12 Months Ended
Dec. 31, 2013
Mar. 19, 2014
Jun. 30, 2013
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   10,557,678  
Entity Public Float     $ 29,988,259
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, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY