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)

v3.25.2
Note 11 - Capitalization and Equity Structure - Schedule of Assumptions used in Black-Scholes Model to Measure Fair Value (Details)
Jun. 30, 2025
Dec. 31, 2024
A2021 Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 3.29 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 0.0421 0.0394
A2021 Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.61 1.11
A2021 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.968 1.067
June 2020 Investor Warrants [Member] | Measurement Input, Share Price [Member]    
Warrant, measurement input 3.29 9.15
June 2020 Investor Warrants [Member] | Measurement Input, Conversion Price [Member]    
Warrant, measurement input 77.7 77.7
June 2020 Investor Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Warrant, measurement input 0.0432 0.0403
June 2020 Investor Warrants [Member] | Measurement Input, Expected Term [Member]    
Warrant, measurement input 0.44 0.94
June 2020 Investor Warrants [Member] | Measurement Input, Price Volatility [Member]    
Warrant, measurement input 0.919 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