Cover - shares	3 Months Ended
	Sep. 30, 2022	Nov. 07, 2022
Cover [Abstract]
Entity Registrant Name	INSIGNIA SYSTEMS, INC/MN
Entity Central Index Key	0000875355
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	Sep. 30, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		1,796,506
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	1-13471
Entity Incorporation State Country Code	MN
Entity Address Address Line 1	212 Third Ave N
Entity Address Address Line 2	Ste 356
Entity Address City Or Town	Minneapolis
Entity Address State Or Province	MN
Entity Address Postal Zip Code	55401
City Area Code	763
Local Phone Number	392-6200
Security 12b Title	Common Stock, $0.01 par value
Trading Symbol	ISIG
Security Exchange Name	NASDAQ
Entity Interactive Data Current	Yes
Entity Tax Identification Number	41-1656308