Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2019	Mar. 24, 2020	Jun. 30, 2019
Document And Entity Information
Entity Registrant Name	INFINITE GROUP INC
Entity Central Index Key	0000884650
Document Type	10-K/A
Document Period End Date	Dec. 31, 2019
Amendment Flag	true
Amendment Description	For the purposes of filing XBRL.
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	true
Is Entity a Well-known Seasoned Issuer?	No
Is Entity a Voluntary Filer?	No
Is Entity's Reporting Status Current?	Yes
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	DE
Entity File Number	0-21816
Entity Common Stock, Shares Outstanding		29,061,883
Entity Public Float			$ 580,000
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2019