Note 4 - Related Party Transactions - Black-Scholes Pricing Model (Details)	Jul. 30, 2022	Jun. 30, 2022	Feb. 28, 2022
Measurement Input, Conversion Price Before [Member]
Measurement input	0.28	0.64	1.80
Measurement Input, Conversion Price [Member]
Measurement input	0.21	0.28	0.64
Measurement Input, Expected Term [Member]
Measurement input	0.61	0.69	0.02
Measurement Input, Price Volatility [Member]
Measurement input	0.995	0.856	0.3953
Measurement Input, Expected Dividend Rate [Member]
Measurement input	0	0	0
Measurement Input, Risk Free Interest Rate [Member]
Measurement input	0.028	0.032	0.0197