Quarterly report pursuant to Section 13 or 15(d)

Note 7 - Commitments and Contingencies (Details Textual)

v3.24.3
Note 7 - Commitments and Contingencies (Details Textual)
1 Months Ended 9 Months Ended 12 Months Ended
Mar. 19, 2024
USD ($)
$ / shares
shares
Mar. 12, 2024
shares
Sep. 30, 2024
USD ($)
shares
Jun. 30, 2024
USD ($)
shares
May 31, 2024
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
shares
Dec. 31, 2023
shares
Aug. 31, 2024
shares
Dec. 22, 2023
May 26, 2023
Certain Claims Arising From an Interpretation of Certain Rights of SPA [Member]                    
Stock Issued During Period, Shares, New Issues | shares 500,000 500,000         760,000      
Shares Issued, Price Per Share | $ / shares $ 1.85                  
Stock Issued During Period, Value, New Issues $ 924,000                  
Litigation Settlement, Fee Expense           $ 164,000        
Measurement Input, Risk Free Interest Rate [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.0358     0.0358 0.0384   0.0387 0.0388
Measurement Input, Expected Term [Member]                    
Warrants and Rights Outstanding, Measurement Input                 5  
Measurement Input, Price Volatility [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.98     0.98 0.98   0.98 0.95
Series AA Preferred Additional Investment Rights [Member]                    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)     $ 70,000 $ 294,000            
Class of Warrant or Right, Exchanged During Period (in shares) | shares     3,336,293 3,215,232 642,962 3,336,293   667,289    
Minimum [Member] | Measurement Input, Expected Term [Member]                    
Warrants and Rights Outstanding, Measurement Input     3     3 4.5     5
Maximum [Member] | Measurement Input, Expected Term [Member]                    
Warrants and Rights Outstanding, Measurement Input     5     5 5     5.19
Pioneer Capital Anstalt [Member] | Restricted Stock [Member]                    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period | shares         275,000          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Granted, Aggregate Intrinsic Value         $ 346,000          
Pioneer Capital Anstalt [Member] | Series AA Preferred Additional Investment Rights [Member]                    
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)           $ 213,000        
Class of Warrant or Right, Exchanged During Period (in shares) | shares     1,863,049   372,610 1,863,049        
Pioneer Capital Anstalt [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Share Price [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.86     0.86        
Pioneer Capital Anstalt [Member] | Minimum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Conversion Price [Member]                    
Warrants and Rights Outstanding, Measurement Input     1.886     1.886        
Pioneer Capital Anstalt [Member] | Minimum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Risk Free Interest Rate [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.0513     0.0513        
Pioneer Capital Anstalt [Member] | Minimum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Expected Term [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.52     0.52        
Pioneer Capital Anstalt [Member] | Minimum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Price Volatility [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.80     0.80        
Pioneer Capital Anstalt [Member] | Maximum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Conversion Price [Member]                    
Warrants and Rights Outstanding, Measurement Input     13.04     13.04        
Pioneer Capital Anstalt [Member] | Maximum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Risk Free Interest Rate [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.0536     0.0536        
Pioneer Capital Anstalt [Member] | Maximum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Expected Term [Member]                    
Warrants and Rights Outstanding, Measurement Input     1.02     1.02        
Pioneer Capital Anstalt [Member] | Maximum [Member] | Series AA Preferred Additional Investment Rights [Member] | Measurement Input, Price Volatility [Member]                    
Warrants and Rights Outstanding, Measurement Input     0.93     0.93        
Pioneer Capital Anstalt [Member] | Series AA Preferred Additional Investment Rights [Member]                    
Preferred Stock, Convertible, Conversion Price Floor | $ / shares         $ 1.886          
Pioneer Capital Anstalt [Member] | Series AA Preferred Additional Investment Rights [Member] | Minimum [Member]                    
Preferred Stock, Convertible, Conversion Price | $ / shares         9.43          
Pioneer Capital Anstalt [Member] | Series AA Preferred Additional Investment Rights [Member] | Maximum [Member]                    
Preferred Stock, Convertible, Conversion Price | $ / shares         $ 13.04