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Note 1 - Nature of Operations (Details Textual) - USD ($)			3 Months Ended		6 Months Ended
	Feb. 12, 2025	Oct. 30, 2024	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2024
Comprehensive Income (Loss), Net of Tax, Attributable to Parent			$ 1,654,179	$ 1,872,514	$ 3,252,776	$ 3,551,537
Retained Earnings (Accumulated Deficit)			61,858,769		61,858,769		$ 58,589,013
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation					3,900,501	$ 3,066,687
Cash and Cash Equivalent			13,900,000		13,900,000
Working Capital (Deficit)			$ 13,500,000		13,500,000
February 2025 Series B-1 Purchase Agreement [Member]
Proceeds from Issuance or Sale of Equity	$ 15,000,000				15,000,000
October 2024 SPA [Member] | Chief Executive Officer, Secretary, and Director [Member]
Proceeds from Issuance or Sale of Equity		$ 1,540,819			$ 1,500,000

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