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Note 8 - Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Net unrealized holding gain on securities available-for-sale, net of tax | $ 180 | $ 173
Fair value of cash flow hedges, net of tax | (405) | (1,150)
Accumulated other comprehensive loss | (144) | (896)
Supplemental Executive Retirement Plan (SERP) [Member] |  |
Unrecognized gain, net of tax | 36 | 36
Director Fee Continuation Plan (DFCP) [Member] |  |
Unrecognized gain, net of tax | $ 45 | $ 45

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