Document and Entity Information (USD $)	12 Months Ended
	Dec. 31, 2011	Apr. 16, 2012	Jun. 30, 2011
Document and Entity Information
Entity Registrant Name	COMPETITIVE TECHNOLOGIES INC
Document Type	10-K
Document Period End Date	Dec. 31, 2011
Amendment Flag	false
Entity Central Index Key	0000102198
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		14,830,204
Entity Public Float			$ 20,707,445
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY