v3.25.2
Note 3 - Convertible Notes Payable (Details Textual)
$ / shares in Units, $ in Thousands
3 Months Ended 7 Months Ended 12 Months Ended
Sep. 09, 2023
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
yr
Mar. 31, 2024
USD ($)
yr
Mar. 31, 2025
USD ($)
shares
Jan. 26, 2024
Dec. 31, 2023
$ / shares
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares             $ 0.02
Proceeds from Convertible Debt   $ 0 $ 2,000        
Conversion of Convertible Notes to Common Stock [Member]              
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares         33,250    
Bridge Financing Warrants in Connection with Convertible Notes [Member[              
Warrants and Rights Outstanding, Term (Year) 5 years            
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | shares 0.0125            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 20            
Class of Warrant or Right, Lock-up Agreement Term of Underlying Shares (Day) 180 days            
Class of Warrant or Right, Percentage of Outstanding Stock 25.00%            
Warrants and Rights Outstanding     $ 600 $ 600      
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Price Volatility [Member]              
Warrants and Rights Outstanding, Measurement Input     1.0188 1.0188      
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Expected Term [Member]              
Warrants and Rights Outstanding, Measurement Input | yr     5 5      
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Risk Free Interest Rate [Member]              
Warrants and Rights Outstanding, Measurement Input     0.044 0.044      
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Discount Rate [Member]              
Warrants and Rights Outstanding, Measurement Input     0.20 0.20      
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Discount for Lack of Marketability [Member]              
Warrants and Rights Outstanding, Measurement Input             0.1577
The Notes [Member]              
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares $ 40            
Debt Instrument, Convertible, Maximum Beneficial Ownership, Percentage 4.99%         4.99%  
Proceeds from Convertible Debt       $ 2,000      
The Notes [Member] | Maximum [Member]              
Debt Instrument, Face Amount $ 2,000            
Interest Expense, Debt         $ 200    
Convertible Debt with 4.99% Beneficial Ownership Limitation [Member]              
Convertible Notes Payable   $ 1,300     $ 1,300    
Debt Instrument, Convertible, Number of Equity Instruments         33,250    
Debt Instrument, Interest Rate, Effective Percentage   15.30%     15.30%