Cover - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 07, 2023	Jun. 30, 2022
Cover [Abstract]
Entity Registrant Name	INSIGNIA SYSTEMS INC/MN
Entity Central Index Key	0000875355
Document Type	10-K/A
Amendment Flag	true
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2022
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		1,797,659
Entity Public Float			$ 4,692,000
Entity File Number	001-13471
Entity Incorporation State Country Code	MN
Entity Tax Identification Number	41-1656308
Entity Interactive Data Current	Yes
Amendment Description	This Amendment No. 1 on Form 10-K/A (this “Amendment”) amends the Annual Report on Form 10-K of Insignia Systems, Inc. for the year ended December 31, 2022 that was originally filed with the Securities and Exchange Commission (the “SEC”) on March 9, 2023 (the “Original Filing”) and is being filed primarily to provide the information required by Items 10, 11, 12, 13, and 14 of Part III. This information was previously omitted from the Original Filing in reliance on General Instruction G(3) to Form 10-K, which permits the information in the above referenced items to be incorporated in the Form 10-K by reference from a definitive proxy statement if such statement is filed no later than 120 days after our fiscal year end. We are filing this Amendment to include Part III information in our Form 10-K because we do not expect to file a definitive proxy statement on or before that date. The reference on the cover of the Original Filing to the incorporation by reference to portions of our defin
Icfr Auditor Attestation Flag	false
Entity Address Address Line 1	212 Third Avenue N, Suite 356
Entity Address City Or Town	Minneapolis
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
Auditor Firm Id	23
Auditor Name	Baker Tilly US, LLP
Auditor Location	Minneapolis, MN