Document and Entity Information (USD $) In Millions, except Share data	3 Months Ended
Sep. 30, 2011	Nov. 14, 2011
Document and Entity Information
Entity Registrant Name	Competitive Technologies Inc.
Document Type	10-Q
Document Period End Date	Sep. 30, 2011
Amendment Flag	true
Entity Central Index Key	0000102198
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		14,319,289
Entity Public Float		$ 20.56
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	Q3
Amendment Description	1

Description of changes contained within amended document.

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