Quarterly report [Sections 13 or 15(d)]

Note 14 - Income Taxes (Details Textual)

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Note 14 - Income Taxes (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Income Tax Expense (Benefit) $ 176,000 $ (722,000) $ 177,000 $ (775,000)
Effective Income Tax Rate Reconciliation, Percent, Total 25.00% 22.10% 18.00% 26.10%
Income Tax Expense (Benefit) $ (176,000) $ 722,000 $ (177,000) $ 775,000
Unrecognized Tax Benefits, Ending Balance $ 0   $ 0