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 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Income Tax Expense (Benefit) $ (934,000) $ (787,000) $ (757,000) $ (1,562,000)
Effective Income Tax Rate Reconciliation, Percent, Total 23.70% 25.30% 25.60% 25.70%
Income Tax Expense (Benefit) $ 934,000 $ 787,000 $ 757,000 $ 1,562,000
Unrecognized Tax Benefits, Ending Balance $ 0   $ 0