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]
Sep. 30, 2025
Dec. 31, 2024
Measurement Input, Share Price [Member]    
Warrant Liability 0.79 2
Measurement Input, Risk Free Interest Rate [Member]    
Warrant Liability 0.036 0.0427
Measurement Input, Expected Dividend Rate [Member]    
Warrant Liability 0 0
Measurement Input, Expected Term [Member]    
Warrant Liability 2 2.8
Measurement Input, Price Volatility [Member]    
Warrant Liability 1.60 1.55