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Note 14 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Sep. 30, 2023
Effective Income Tax Rate Reconciliation, Percent     2.30% 0.00%  
Income Tax Expense (Benefit) $ (42) $ (26) $ (476) $ (18)  
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount     525    
Unrecognized Tax Benefits $ 0   $ 0   $ 0