Note 2 - Investment Securities - Amortized Cost and Fair Value of Investment Securities Classified as HTM (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Amortized Cost | $ 48,199 | $ 42,687 |
| Gross Unrealized Gains | 2,518 | 70 |
| Gross Unrealized Losses | (177) | (613) |
| Fair Value | 50,540 | 42,144 |
| US States and Political Subdivisions Debt Securities [Member] | ||
| Amortized Cost | 46,331 | 40,618 |
| Gross Unrealized Gains | 2,518 | 70 |
| Gross Unrealized Losses | (3) | (365) |
| Fair Value | 48,846 | 40,323 |
| Residential Mortgage-Backed Securities [Member] | ||
| Amortized Cost | 1,868 | 2,069 |
| Gross Unrealized Gains | 0 | 0 |
| Gross Unrealized Losses | (174) | (248) |
| Fair Value | $ 1,694 | $ 1,821 |
| X | ||||||||||
- Definition Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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- Details
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