Cover - shares	6 Months Ended
	Jun. 30, 2021	Aug. 10, 2021
Cover [Abstract]
Entity Registrant Name	INFINITE GROUP, INC.
Entity Central Index Key	0000884650
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Jun. 30, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2021
Entity Common Stock Shares Outstanding		29,595,883
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	000-21816
Entity Incorporation State Country Code	DE
Entity Tax Identification Number	52-1490422
Entity Address Postal Zip Code	14534
Entity Address Address Line 1	175 Sully’s Trail
Entity Address Address Line 2	Suite 202
Entity Address City Or Town	Pittsford
Entity Address State Or Province	NY
City Area Code	585
Local Phone Number	385-0610
Entity Interactive Data Current	Yes