Quarterly report [Sections 13 or 15(d)]

Note 11 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)

v3.25.1
Note 11 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)
Mar. 31, 2025
Dec. 31, 2024
A2021 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.4 0.61
A2021 Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 12.81 12.81
A2021 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0408 0.0394
A2021 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.86 1.11
A2021 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.882 1.067
June 2020 Investor Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.4 0.61
June 2020 Investor Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 5.18 5.18
June 2020 Investor Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0415 0.0403
June 2020 Investor Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.69 0.94
June 2020 Investor Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.926 0.897
June 2020 Placement Agent Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.4 0.61
June 2020 Placement Agent Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 5.64 5.64
June 2020 Placement Agent Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0434 0.0447
June 2020 Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.19 0.44
June 2020 Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.808 0.897
December 2019 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.4 0.61
December 2019 Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 8.1 8.1
December 2019 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0433 0.0443
December 2019 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.22 0.46
December 2019 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.819 0.893