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)

v3.25.0.1
Note 12 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)
Dec. 31, 2024
Dec. 31, 2023
A2021 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.61 2.5
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 0.0394 0.042
A2021 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 1.11 2.11
A2021 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 1.067 0.765
June 2020 Investor Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.61 2.5
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 0.0403 0.0426
June 2020 Investor Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.94 1.94
June 2020 Investor Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.897 0.782
June 2020 Placement Agent Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.61 2.5
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 0.0447 0.0454
June 2020 Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.44 1.44
June 2020 Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.897 0.83
December 2019 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 0.61 2.5
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 0.0443 0.0453
December 2019 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.46 1.47
December 2019 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.893 0.823
December 2019 Placement Agent Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input   2.5
December 2019 Placement Agent Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input   8.44
December 2019 Placement Agent Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input   0.0482
December 2019 Placement Agent Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0 0.97
December 2019 Placement Agent Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input   0.852
May 2019 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input   1.88
May 2019 Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input   3.52
May 2019 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input   0.0528
May 2019 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0 0.4
May 2019 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input   0.775