Note 4 - Termination Agreement And Return Of Preferred Shares (Details Textual) - USD ($)				3 Months Ended
	Sep. 15, 2023	Jan. 14, 2019	Dec. 10, 2018	Sep. 30, 2023	Sep. 30, 2022
Revenues				$ 6,655	$ 5,700
Stock Issued During Period, Shares, New Issues (in shares)				0	0
Reduction In Dividends Payable	$ 36,481
Reduction Of Preferred Stock Liability, Value	$ 100,000
Gain (Loss) On Extinguishment of Preferred Share Obligation				$ 136,481	$ 0
Pro-rata Basis Shares [Member]
Stock Issued During Period, Shares, New Issues (in shares)	2,000,000
Series B Preferred Stock [Member]
Stock Repurchased and Retired During Period, Shares (in shares)	40
Stock Issued During Period, Shares, New Issues (in shares)		2	40
Asset Purchase Agreement [Member] | Pivotal [Member]
Revenues				$ 6,655	$ 5,700