Note 15 - Subsequent Events (Details Textual)	Apr. 17, 2025	Apr. 10, 2025 shares	Mar. 31, 2025 shares	Sep. 30, 2024 shares
Preferred Stock, Shares Issued (in shares)			5,000,000	5,000,000
Preferred Stock, Shares Outstanding (in shares)			5,000,000	5,000,000
Subsequent Event [Member]
Preferred Stock, Convertible, Conversion Ratio		13
Preferred Stock, Shares Issued (in shares)		0
Preferred Stock, Shares Outstanding (in shares)		0
Subsequent Event [Member] | Roundup Shares [Member]
Stock Issued During Period, Shares, Stock Splits (in shares)		51
Subsequent Event [Member] | Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	8	8