Note 4 - Anfield Debt Settlement and Property Swap - Fair Value Assumptions (Details) - Anfield Warrant [Member]	Jun. 07, 2022
Measurement Input, Risk Free Interest Rate [Member]
Warrants, measurement input	0.0293
Measurement Input, Price Volatility [Member]
Warrants, measurement input	0.6494
Measurement Input, Expected Term [Member]
Warrants, measurement input	4.94
Measurement Input, Expected Dividend Rate [Member]
Warrants, measurement input	0