Note 9 - Convertible Debentures - Convertible Debt (Details) - Convertible Debt [Member] - USD ($)		3 Months Ended	12 Months Ended
		Sep. 30, 2023	Jun. 30, 2023
Balance due		$ 74,000	$ 6,216,793
SBI Investments LLC [Member]
Original debt			1,416,724
Total penalties			1,305,425
Accrued interest			4,451,503
Conversion of SBI to promissory note		$ (6,142,793)	(1,030,859)
Balance due			6,142,793
Convertible Debt 1 [Member] | SBI Investments LLC [Member]
Original debt			469,760
Total penalties			369,375
Accrued interest			652,718
Conversion of SBI to promissory note			(599,254)
Balance due			$ 892,599
Original interest rate	[1]		12.00%
Inception			May 12, 2017
Original due date			Nov. 12, 2017
Convertible Debt 2 [Member] | SBI Investments LLC [Member]
Original debt			$ 105,000
Total penalties			68,045
Accrued interest			456,363
Conversion of SBI to promissory note			0
Balance due			$ 629,408
Original interest rate	[1]		8.00%
Inception			May 19, 2017
Original due date			Nov. 19, 2017
Convertible Debt 3 [Member] | SBI Investments LLC [Member]
Original debt			$ 119,227
Total penalties			249,675
Accrued interest			986,862
Conversion of SBI to promissory note			0
Balance due			$ 1,355,764
Original interest rate	[1]		8.00%
Inception			May 18, 2017
Original due date			Nov. 18, 2017
Convertible Debt 4 [Member] | SBI Investments LLC [Member]
Original debt			$ 469,760
Total penalties			220,917
Accrued interest			794,593
Conversion of SBI to promissory note			(431,605)
Balance due			$ 1,053,665
Original interest rate	[1]		12.00%
Inception			May 12, 2017
Original due date			Nov. 12, 2017
Convertible Debt 5 [Member] | SBI Investments LLC [Member]
Original debt			$ 105,000
Total penalties			170,240
Accrued interest			588,152
Conversion of SBI to promissory note			0
Balance due			$ 863,392
Original interest rate	[1]		8.00%
Inception			May 19, 2017
Original due date			Nov. 19, 2017
Convertible Debt 6 [Member] | SBI Investments LLC [Member]
Original debt			$ 119,227
Total penalties			180,550
Accrued interest			811,858
Conversion of SBI to promissory note			0
Balance due			$ 1,111,635
Original interest rate	[1]		8.00%
Inception			May 18, 2017
Original due date			Nov. 18, 2017
Convertible Debt 7 [Member] | SBI Investments LLC [Member]
Original debt			$ 28,750
Total penalties			46,623
Accrued interest			160,957
Conversion of SBI to promissory note			0
Balance due			$ 236,330
Original interest rate	[1]		8.00%
Inception			Jun. 23, 2017
Original due date			Dec. 23, 2017

[1] In accordance with the default provisions of the original convertible debt agreements, the convertible debentures began accruing interest at 24% per annum following non-payment as of the due dates of the respective convertible debenture notes.