Note 4 - Loans and Allowance for Credit Losses (Details Textual) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Loans | $ 641,901 | $ 638,340 |
| Financing Receivable, Modified, Weighted-Average Term Increase from Modification (Month) | 3 months | |
| Financing Receivable, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Accrued interest receivable | Accrued interest receivable |
| Financing Receivable, Accrued Interest, after Allowance for Credit Loss | $ 1,900 | $ 2,000 |
| Collateral Pledged [Member] | ||
| Loans | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of accrued interest on financing receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Indicates line item in statement of financial position that includes accrued interest, after allowance for credit loss, on financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Period of increase in weighted-average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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