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
Dec. 31, 2025
Dec. 31, 2024
Income Tax Expense (Benefit) $ 1,000 $ (53,000)
Effective Income Tax Rate Reconciliation, Percent, Total 0.40% (17.60%)
Income Tax Expense (Benefit) $ (1,000) $ 53,000
Effective Income Tax Rate Reconciliation, Percent, Total (0.40%) 17.60%
Unrecognized Tax Benefits, Ending Balance $ 0