Note 6 - Related Party Transactions - Black-Scholes Pricing Model (Details)	Oct. 31, 2022	Jul. 30, 2022	Jun. 30, 2022	Feb. 28, 2022
Measurement Input, Conversion Price Before [Member]
Conversion price before	9.45	12.60	28.80	81.00
Measurement Input, Conversion Price [Member]
Conversion price before	6.30	9.45	12.60	28.80
Measurement Input, Expected Term [Member]
Conversion price before	0.35	0.61	0.69	0.02
Measurement Input, Price Volatility [Member]
Conversion price before	1.65	0.995	0.856	0.3953
Measurement Input, Expected Dividend Rate [Member]
Conversion price before	0	0	0	0
Measurement Input, Risk Free Interest Rate [Member]
Conversion price before	0.0402	0.028	0.032	0.0197