Note 2 - Securities Available for Sale (Details Textual) - USD ($) |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss | $ 292,000 | $ 278,000 | |
| Debt Securities, Available-for-Sale, Excluding Accrued Interest | 79,561,000 | 71,249,000 | |
| Proceeds from Sale of Debt Securities, Available-for-Sale | 0 | $ 0 | |
| Asset Pledged as Collateral [Member] | |||
| Debt Securities, Available-for-Sale, Excluding Accrued Interest | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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