Note 13 - Income Taxes (Details Textual) - USD ($)	3 Months Ended	6 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income Tax Expense (Benefit)	$ 11,000	$ 19,000	$ 111,000	$ 49,000

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details