v3.26.1
Note 2 - Convertible Notes Payable (Details Textual)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 7 Months Ended 12 Months Ended
Mar. 31, 2025
Jun. 30, 2025
shares
Mar. 31, 2024
USD ($)
yr
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Jan. 26, 2024
Sep. 09, 2023
USD ($)
$ / shares
shares
Conversion of Convertible Notes to Common Stock [Member]              
Debt Conversion, Converted Instrument, Shares Issued (in shares) | shares   16,750          
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
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Price Volatility [Member]              
Warrants and Rights Outstanding, Measurement Input     1.0188        
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Expected Term [Member]              
Warrants and Rights Outstanding, Measurement Input | yr     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        
Bridge Financing Warrants in Connection with Convertible Notes [Member[ | Measurement Input, Discount Rate [Member]              
Warrants and Rights Outstanding, Measurement Input     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        
Interest Expense, Debt       $ 0 $ 200    
The Notes [Member] | Maximum [Member]              
Debt Instrument, Face Amount             $ 2,000
Convertible Debt with 4.99% Beneficial Ownership Limitation [Member]              
Debt Instrument, Interest Rate, Effective Percentage 15.30%       15.30%    
Debt Instrument, Convertible, Number of Equity Instruments 33,250