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Note 2 - Debt Securities - Securities Available-for-sale (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securities available for sale, amortized cost	$ 142,389	$ 184,687
Securities available for sale, unrealized gains	56	12
Securities available for sale, unrealized losses	(12,786)	(14,850)
Securities available for sale, fair value	129,659	169,849	[1]
US Treasury Securities [Member]
Securities available for sale, amortized cost	10,922	55,760
Securities available for sale, unrealized gains	0	10
Securities available for sale, unrealized losses	(1)	(1)
Securities available for sale, fair value	10,921	55,769
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale, amortized cost	12,545	13,949
Securities available for sale, unrealized gains	2	2
Securities available for sale, unrealized losses	(80)	(114)
Securities available for sale, fair value	12,467	13,837
Corporate Debt Securities [Member]
Securities available for sale, amortized cost	28,606	28,598
Securities available for sale, unrealized gains	0	0
Securities available for sale, unrealized losses	(779)	(1,056)
Securities available for sale, fair value	27,827	27,542
Mortgage-backed Agency Securities [Member]
Securities available for sale, amortized cost	90,316	86,380
Securities available for sale, unrealized gains	54	0
Securities available for sale, unrealized losses	(11,926)	(13,679)
Securities available for sale, fair value	$ 78,444	$ 72,701
[1] Derived from audited financial statements

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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