XML 10 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Cover - shares
 3 Months Ended
Mar. 31, 2022
May 09, 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 Mar. 31, 2022  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2022  
Entity Common Stock Shares Outstanding   1,786,296
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 1-13471  
Entity Incorporation State Country Code MN  
Entity Tax Identification Number 41-1656308  
Entity Interactive Data Current Yes  
Entity Address Address Line 1 212 Third Avenue N  
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 Address Address Line 2 Suite 356  
Entity Address City Or Town Minneapolis