Document And Entity Information (USD $)	12 Months Ended
	Dec. 31, 2012	Jun. 30, 2012	Mar. 06, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	Dynamics Research Corporation
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding			10,458,568
Entity Public Float		$ 121,400,000
Amendment Flag	false
Entity Central Index Key	0000030822
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	FY