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Note 3 - Accumulated Other Comprehensive Income - Amount Reclassified from Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Gain (loss) on sale of investment securities | $ 0 | $ (1)
Income before income taxes | 5,751 | 8,252
Provision for income taxes | 694 | 1,212
Net income | 5,057 | 7,040
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |
Gain (loss) on sale of investment securities | 0 | (1)
Interest income on investment securities | (584) | (572)
Income before income taxes | (584) | (573)
Provision for income taxes | 123 | 120
Net income | $ (461) | $ (453)

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