Annual report pursuant to Section 13 and 15(d)

Note 6 - Debt (Details Textual)

v3.24.1.u1
Note 6 - Debt (Details Textual)
3 Months Ended 12 Months Ended
Dec. 17, 2023
USD ($)
May 16, 2022
USD ($)
$ / shares
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
SLR Agreement [Member]          
Debt Instrument, Multiplication of Face Value of Account 85.00%        
Debt Instrument, Face Amount $ 4,000,000        
Debt Instrument, Term 24 months        
Debt Instrument, Finance Fee, Percentage 2.00%        
Debt Instrument, Service Fee Rate 0.30%        
Debt Instrument, Minimum Utilization $ 400,000        
Long-Term Debt, Gross       $ 800,000  
Interest Paid, Excluding Capitalized Interest, Operating Activities       3,000  
Commitment Fee Expense       3,000  
SLR Agreement [Member] | Prime Rate [Member]          
Debt Instrument, Basis Spread on Variable Rate 2.00%        
SLR Agreement [Member] | Facility Rate [Member]          
Debt Instrument, Basis Spread on Variable Rate 6.00%        
Securities Purchase Agreement [Member] | Note Holders [Member]          
Debt Instrument, Face Amount   $ 4,320,000      
Debt Instrument, Term   12 months      
Interest Paid, Excluding Capitalized Interest, Operating Activities     $ 180,000 180,000 $ 209,000
Debt Instrument, Discount, Percent   8.00%      
Debt Instrument, Interest Rate, Stated Percentage   9.00%      
Debt Instrument, Convertible, Conversion Price | $ / shares   $ 80      
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger   90.00%      
Debt Instrument, Convertible, Threshold Trading Days   10      
Debt Instrument, Redemption Price, Percentage Requirement   50.00%      
Debt Instrument, Unamortized Discount   $ 320,000     40,000
Amortization of Debt Discount (Premium)       40,000 $ 280,000
Repayments of Debt     $ 539,000    
Convertible Notes Payable       $ 0