Note 10 - Convertible Debentures - Convertible Debt Reconciliation (Details) - Convertible Debt [Member] - USD ($)	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Convertible debt	$ 5,020,804	$ 4,057,681
Interest	1,195,988	963,123
Convertible debt	$ 6,216,793	$ 5,020,804

Amount of the cost of borrowed funds accounted for as interest expense for debt.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration