v3.26.1
Note 8 - Debt (Details Textual)
1 Months Ended 3 Months Ended 5 Months Ended 6 Months Ended 12 Months Ended 14 Months Ended
Aug. 03, 2026
Jul. 21, 2026
May 05, 2026
USD ($)
$ / shares
shares
Dec. 26, 2025
USD ($)
$ / shares
shares
Jul. 03, 2025
Apr. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
May 31, 2025
USD ($)
May 31, 2026
shares
Mar. 31, 2026
USD ($)
Jul. 31, 2025
USD ($)
Proceeds from Issuance of Debt                         $ 9,700,000        
Gain (Loss) on Extinguishment of Debt               $ (3,186,000) $ 0   $ (9,284,000) $ 0          
Gain (Loss) on Warrant Exchange               (505,000) 0   (505,000) 0          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares                             333,333    
Stockholders' Equity Note, Stock Split, Conversion Ratio         2.2                        
Stockholders' Equity Note, Stock Split, Conversion Percent         1150.00%                        
Proceeds from Convertible Debt                     500,000 2,000,000          
Reverse Stock Split [Member]                                  
Stockholders' Equity Note, Stock Split, Conversion Ratio   50                              
Reverse Stock Split [Member] | Subsequent Event [Member]                                  
Stockholders' Equity Note, Stock Split, Conversion Ratio 50                                
The 2025 Senior Secured Note Holders [Member]                                  
Warrants and Rights Outstanding, Term (Year)       5 years                          
Placement Agent [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares     $ 11.45                            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares     163,755                            
Warrants and Rights Outstanding               1,080,000.00     1,080,000.00            
Fair Value Adjustment of Warrants               650,000     280,000            
Placement Agent [Member] | The 2025 Senior Secured Note Holders [Member]                                  
Class of Warrant or Right, Issued During Period, Fair Value       $ 800,000                          
New Warrants [Member]                                  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares     $ 17.5                            
Warrants and Rights Outstanding, Term (Year)     5 years                            
Gain (Loss) on Warrant Exchange     $ (505,000)                            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | shares     200,000                            
Warrants and Rights Outstanding     $ 894,000                            
The 2025 Senior Secured Note [Member]                                  
Debt Instrument, Face Amount       15,000,000                          
Proceeds from Issuance of Debt       13,500,000                          
Debt Instrument, Unamortized Discount       $ 1,500,000                          
Debt Instrument, Unamortized Discount, Percent       10.00%                          
Debt Issuance Costs, Net       $ 1,500,000                          
Debt Instrument, Periodic Payment       1,764,706                          
Debt Instrument, Qualified Equity Financing, Periodic Payment       $ 882,353                          
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger       93.00%                          
Debt Instrument, Convertible, Threshold Trading Days       5                          
Debt Instrument, Covenant, Liquidity Amount       $ 4,000,000                          
Debt Instrument, Default, Interest Rate       15.00%                          
Debt Instrument, Repurchase Price, Percent       105.00%                          
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares       $ 133.75                          
Long-Term Debt, Gross       $ 5,400,000                          
Change in Fair Value of Debt               2,740,000     (3,190,000)   12,000.000        
Amortization of Debt Issuance Costs                         2,300,000        
Long-Term Debt, Fair Value               567,000     567,000   $ 5,400,000        
Gain (Loss) on Extinguishment of Debt               (510,000)     5,740,000            
Gain (Loss) on Warrant Exchange               $ (9,280,000)     $ (510,000)            
The 2025 Senior Secured Note [Member] | Common Stock Warrants [Member]                                  
Class of Warrant or Right, Issued During Period (in shares) | shares       140,187                          
Class of Warrant or Right, Issued During Period, Fair Value       $ 8,100,000                          
The 2025 Senior Secured Note [Member] | Placement Agent [Member]                                  
Class of Warrant or Right, Issued During Period (in shares) | shares       14,019                          
The 2025 Senior Secured Note [Member] | Maximum [Member]                                  
Debt Instrument, Amount That Can Be Settled in Shares       $ 3,500,000                          
The 2023 Convertible Notes [Member]                                  
Debt Instrument, Face Amount                   $ 4,200,000              
Debt Instrument, Interest Rate, Stated Percentage                   6.00%              
Debt Instrument, Term (Year)                   2 years              
Debt Instrument, Amended Amount                                 $ 4,100,000
Convertible Debt Instrument, Conversion Price Equal to Lowest Price per Share, Pre-stock Split                                 50.00%
Convertible Debt Instrument, Conversion Price Equal to Lowest Price per Share                                 23.00%
Fair Value of Derivative Liabilities             $ 3,100,000                    
Repayments of Debt             100,000                    
Amortization of Debt Issuance Costs and Discounts                 400,000     700,000          
The 2023 Convertible Notes [Member] | Unsecured Debt Converted to Common Shares [Member]                                  
Debt Conversion, Original Debt, Amount             4,100,000                    
Debt Conversion, Original Debt Interest, Amount             $ 500,000                    
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares             100,000                    
The 2024 Convertible Note [Member]                                  
Debt Instrument, Face Amount                           $ 5,700,000      
Debt Instrument, Interest Rate, Stated Percentage                           6.00%      
Debt Instrument, Term (Year)                           6 months      
Fair Value of Derivative Liabilities                           $ 1,800,000      
The 2024 Convertible Note [Member] | Unsecured Debt Converted to Common Shares [Member]                                  
Debt Conversion, Original Debt, Amount             $ 5,700,000                    
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares             6,500,000                    
Amortization of Debt Issuance Costs and Discounts                 $ 400,000     $ 700,000          
Aggregated Convertible Note [Member]                                  
Debt Instrument, Face Amount             $ 7,000,000                    
Aggregated Convertible Note [Member] | Conversion of Aggregated Convertible Notes to Common Stock [Member]                                  
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares             100,000                    
Fannet Note [Member]                                  
Debt Instrument, Face Amount                               $ 100,000  
Debt Instrument, Interest Rate, Stated Percentage                               2.00%  
Debt Instrument, Fixed Contractual Return                               $ 10,000  
Debt Instrument, Interest Rate, Stated Percentage, Annual                               24.00%  
Anchor Note [Member]                                  
Debt Instrument, Face Amount                               $ 200,000  
Debt Instrument, Fixed Contractual Return                               22,000  
Fannet and Anchor Notes [Member]                                  
Debt Instrument, Amount of External Funding Received to be Due                               $ 5,000,000  
Quick Capital Note [Member]                                  
Debt Instrument, Face Amount           $ 600,000                      
Debt Instrument, Periodic Payment           $ 103,704                      
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger           75.00%                      
Debt Instrument, Interest Rate, Stated Percentage           12.00%                      
Stock Issued During Period, Shares, Conversion of Convertible Securities (in shares) | shares           80,128                      
Debt Instrument, Original Issue Discount           $ 55,556                      
Proceeds from Convertible Debt           500,000                      
Payments of Debt Issuance Costs           $ 10,000                      
Debt Instrument, Interest Rate, Default Percentage           20.00%                      
Debt Instrument, Payable in Event of Default           150.00%                      
Maximum Beneficial Ownership           4.99%                      
Quick Capital Note [Member] | Maximum [Member]                                  
Debt Instrument, Payable in Event of Default           200.00%