Note 8 - Common Stock Warrants - Schedule of Warrants Outstanding (Details) - $ / shares	Dec. 31, 2024	Sep. 30, 2024
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	359,116
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 5.46
SWK Warrants – Debt – Tranche #1 [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	51,239
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 5.86
SWK Warrants – Debt – Tranche #2 [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	18,141
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 6.62
SWK Warrants – Debt – Tranche #3 [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	289,736
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 5.32	$ 5.32