Note 8 - Convertible Debenture and Warrant - Schedule of Warrant Valuation Assumptions (Details)	Jun. 30, 2024	Mar. 31, 2024	Mar. 06, 2024	Jan. 19, 2024	Feb. 14, 2023
Measurement Input, Price Volatility [Member]
Warrants, measurement input	0.8806	0.8736	0.909	1.1298	0.5257
Measurement Input, Expected Dividend Rate [Member]
Warrants, measurement input	0	0	0	0	0
Measurement Input, Expected Term [Member]
Warrants, measurement input	3.63	3.9	3.92	4.08	2.9
Measurement Input, Risk Free Interest Rate [Member]
Warrants, measurement input	0.0433	0.0421	0.0412	0.0375	0.0404