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Note 10 - Other Borrowings (Details Textual) - USD ($) | 3 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Oct. 31, 2020
Other Borrowings | $ 34,750,000 | $ 64,743,000 |
Debt Issuance Costs, Net | 0 | $ 7,000 |
Subordinates Note Due October 21, 2030 [Member] |  |  |
Other Borrowings |  |  | $ 34,750,000
Debt Instrument, Interest Rate, Stated Percentage |  |  | 4.00%
The 4.5% Subordinated Notes [Member] |  |  |
Repayments of Debt | $ 30,000,000 |  |

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