Annual report [Section 13 and 15(d), not S-K Item 405]

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]
Dec. 31, 2025
Dec. 31, 2024
May 01, 2024
Measurement Input, Share Price [Member]      
Warrant Liability 0.68 2 4.76
Measurement Input, Risk Free Interest Rate [Member]      
Warrant Liability 0.0375 0.0427 0.0479
Measurement Input, Expected Dividend Rate [Member]      
Warrant Liability 0 0 0
Measurement Input, Expected Term [Member]      
Warrant Liability 1.78 2.8 3.4
Measurement Input, Price Volatility [Member]      
Warrant Liability 1.51 1.55 1.60