Note 9 - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Allowance for credit losses and deferred fees and costs	$ 2,407	$ 2,155
Defined benefit pension plan	0	614
Deferred compensation and other liabilities	1,171	889
Net unrealized loss on securities available for sale	16,506	16,629
Accrued expense	2	0
Lease accounting	275	237
Unvested stock-based compensation	5	5
Fair value adjustments to acquired assets	1,562	0
Net operating loss of FCB, acquired	130	0
Total deferred tax assets	22,058	20,529
Deferred tax liabilities:
Defined benefit pension plan	(87)	0
Fixed assets	(857)	(597)
Goodwill	(1,228)	(1,228)
Core deposit intangibles	(391)	0
Defined benefit pension plan, prepaid portion	(2,674)	(2,034)
Lease accounting	(269)	(230)
Discount accretion of securities	(175)	(122)
Total deferred tax liabilities	(5,681)	(4,211)
Net deferred tax assets	$ 16,377	$ 16,318