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Note 2 - Debt Securities - Available For Sale Securities in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Securities available for sale, less than 12 months, fair value	$ 17,831	$ 12,998
Securities available for sale, less than 12 months, unrealized losses	(28)	(98)
Securities available for sale, 12 months or longer, fair value	99,445	102,781
Securities available for sale, 12 months or longer, unrealized losses	(12,421)	(14,752)
Securities available for sale, total fair value	117,276	115,779
Securities available for sale, total unrealized losses	(12,449)	(14,850)
US Treasury Securities [Member]
Securities available for sale, less than 12 months, fair value	10,912	4,984
Securities available for sale, less than 12 months, unrealized losses	(3)	(1)
Securities available for sale, 12 months or longer, fair value	0	0
Securities available for sale, 12 months or longer, unrealized losses	0	0
Securities available for sale, total fair value	10,912	4,984
Securities available for sale, total unrealized losses	(3)	(1)
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale, less than 12 months, fair value	2,804	3,914
Securities available for sale, less than 12 months, unrealized losses	(6)	(16)
Securities available for sale, 12 months or longer, fair value	5,563	6,638
Securities available for sale, 12 months or longer, unrealized losses	(55)	(98)
Securities available for sale, total fair value	8,367	10,552
Securities available for sale, total unrealized losses	(61)	(114)
Corporate Debt Securities [Member]
Securities available for sale, less than 12 months, fair value	0	0
Securities available for sale, less than 12 months, unrealized losses	0	0
Securities available for sale, 12 months or longer, fair value	27,061	27,542
Securities available for sale, 12 months or longer, unrealized losses	(598)	(1,056)
Securities available for sale, total fair value	27,061	27,542
Securities available for sale, total unrealized losses	(598)	(1,056)
Mortgage-backed Agency Securities [Member]
Securities available for sale, less than 12 months, fair value	4,115	4,100
Securities available for sale, less than 12 months, unrealized losses	(19)	(81)
Securities available for sale, 12 months or longer, fair value	66,821	68,601
Securities available for sale, 12 months or longer, unrealized losses	(11,768)	(13,598)
Securities available for sale, total fair value	70,936	72,701
Securities available for sale, total unrealized losses	$ (11,787)	$ (13,679)

X

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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