v3.26.1
Note 8 - Debt -10-Q (Details Textual)
1 Months Ended 3 Months Ended 5 Months Ended 12 Months Ended 14 Months Ended
Dec. 26, 2025
USD ($)
$ / shares
shares
Sep. 02, 2025
USD ($)
shares
Jul. 11, 2025
Jul. 03, 2025
Sep. 30, 2025
USD ($)
shares
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
May 31, 2025
USD ($)
Jul. 31, 2025
USD ($)
Nov. 12, 2024
USD ($)
Jul. 31, 2024
USD ($)
Apr. 30, 2024
USD ($)
Apr. 01, 2024
Proceeds from Issuance of Debt                 $ 9,700,000              
Amortization of Debt Issuance Costs                 2,294,000 $ (0)            
Gain (Loss) on Extinguishment of Debt           $ (6,098,000) $ 0                  
Stockholders' Equity Note, Stock Split, Conversion Ratio     2.1524 2.2                        
Conversion of the Nexus Note to Common Stock [Member]                                
Debt Conversion, Original Debt, Amount   $ 3,500,000                            
Debt Conversion, Original Debt Interest, Amount   $ 200,000                            
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares   4,054,517     4,050,000.00                      
The 2025 Senior Secured Note Holders [Member]                                
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 2.675                              
Warrants and Rights Outstanding, Term (Year) 5 years                              
The 2025 Senior Secured Note Holders [Member] | Common Stock Warrants [Member]                                
Class of Warrant or Right, Issued During Period (in shares) | shares 7,009,346                              
Class of Warrant or Right, Issued During Period, Fair Value $ 8,100,000                              
The 2025 Senior Secured Note Holders [Member] | Placement Agent [Member]                                
Class of Warrant or Right, Issued During Period (in shares) | shares 700,934                              
Class of Warrant or Right, Issued During Period, Fair Value $ 800,000                              
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%                              
Long-Term Debt, Gross $ 5,400,000               5,448,000 0            
Change in Fair Value of Debt           100,000     12,000.000              
Amortization of Debt Issuance Costs                 2,300,000              
Long-Term Debt, Fair Value           2,200,000     5,400,000              
Gain (Loss) on Extinguishment of Debt           $ (6,100,000)                    
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       $ 4,200,000        
Long-Term Debt, Gross                 0 4,160,000            
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             0                  
The 2023 Convertible Notes [Member] | Unsecured Debt Converted to Common Shares [Member]                                
Debt Conversion, Original Debt, Amount   $ 4,100,000     4,100,000                      
Debt Conversion, Original Debt Interest, Amount   $ 500,000     $ 500,000                      
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares   5,029,463     5,000,000                      
The 2024 Convertible Note [Member]                                
Debt Instrument, Face Amount                     $ 5,700,000     $ 5,700,000 $ 15,000,000  
Long-Term Debt, Gross                 0 $ 10,746,000            
Debt Instrument, Interest Rate, Stated Percentage                     6.00%       6.00%  
Debt Instrument, Term (Year)                     6 months          
Debt Instrument, Amended Amount                           $ 2,700,000    
Convertible Debt Instrument, Conversion Price Equal to Lowest Price per Share, Pre-stock Split                     50.00%     50.00%   80.00%
Convertible Debt Instrument, Conversion Price Equal to Lowest Price per Share                     23.00%     23.00%   37.00%
Fair Value of Derivative Liabilities                 $ 1,800,000   $ 1,800,000          
The 2024 Convertible Note [Member] | Unsecured Debt Converted to Common Shares [Member]                                
Debt Conversion, Original Debt, Amount   $ 5,700,000     $ 5,700,000                      
Debt Conversion, Original Debt Interest, Amount   $ 300,000                            
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares   6,496,363     6,500,000                      
Aggregated Convertible Note [Member]                                
Debt Instrument, Face Amount         $ 7,000,000               $ 7,000,000      
Amortization of Debt Issuance Costs and Discounts             $ 200,000