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

Note 12 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)

v3.25.4
Note 12 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)
Dec. 31, 2025
Dec. 31, 2024
A2021 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 8.64 9.15
A2021 Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 192.19 192.19
A2021 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0373 0.0394
A2021 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.11 1.11
A2021 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 2.11 1.067
June 2020 Investor Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input   9.15
June 2020 Investor Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input   77.7
June 2020 Investor Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input   0.0403
June 2020 Investor Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input   0.94
June 2020 Investor Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input   0.897
June 2020 Placement Agent Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input   9.15
June 2020 Placement Agent Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input   84.65
June 2020 Placement Agent Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input   0.0447
June 2020 Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input   0.44
June 2020 Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input   0.897
December 2019 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input   9.15
December 2019 Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input   121.5
December 2019 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input   0.0443
December 2019 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input   0.46
December 2019 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input   0.893