Quarterly report [Sections 13 or 15(d)]

Note 8 - Common Stock Warrants - Schedule of Warrants under Monte Carlo Simulation and Black-Scholes Model (Details)

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Note 8 - Common Stock Warrants - Schedule of Warrants under Monte Carlo Simulation and Black-Scholes Model (Details) - October 2022 Warrants [Member]
Mar. 31, 2026
Dec. 31, 2025
Measurement Input, Share Price [Member]    
Warrant Liability 0.29 0.68
Measurement Input, Risk Free Interest Rate [Member]    
Warrant Liability 0.0373 0.0375
Measurement Input, Expected Dividend Rate [Member]    
Warrant Liability 0 0
Measurement Input, Expected Term [Member]    
Warrant Liability 1.5 1.8
Measurement Input, Price Volatility [Member]    
Warrant Liability 1.87 1.51