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Note 12 - Related Party Transactions (Details Textual) - USD ($)
1 Months Ended 2 Months Ended 6 Months Ended 12 Months Ended
May 04, 2022
Mar. 01, 2022
Dec. 29, 2021
May 20, 2022
May 23, 2022
Jun. 30, 2022
Jun. 30, 2023
Mar. 31, 2022
Board of Directors [Member] | Consulting Agreement [Member]                
Monthly Consulting Fees, Maximum   $ 8,000            
Related Party Transaction, Amounts of Transaction   $ 0            
Series D Preferred Stock [Member]                
Preferred Stock, Par or Stated Value Per Share (in dollars per share)     $ 0.01         $ 0.01
Nantahala Capital Management, LLC [Member] | Imageware Systems, Inc [Member]                
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners     37.50%          
Term Loan and Security Agreement [Member] | Secured Term Loan Credit Facility [Member]                
Line of Credit Facility, Maximum Borrowing Capacity     $ 2,500,000         $ 2,500,000
Proceeds from Lines of Credit, Total     600,000          
Proceeds from Issuance of Long-Term Debt, Total     $ 600,000          
Debt Instrument, Redemption Price, Percentage     105.00%          
Term Loan and Security Agreement [Member] | Secured Term Loan Credit Facility [Member] | Subsequent Event [Member]                
Proceeds from Issuance of Long-Term Debt, Total $ 1,450,000     $ 1,450,000 $ 400,000      
Line of Credit Facility, Remaining Borrowing Capacity       342,000        
Term Loan and Security Agreement [Member] | Secured Term Loan Credit Facility [Member] | Forecast [Member]                
Debt Instrument, Interest Rate During Period           12.00% 17.00%  
Line of Credit Facility, Remaining Borrowing Capacity       $ 342,000