Note 9 - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for loan losses and unearned fee income	$ 1,906	$ 1,774
Valuation allowance on other real estate owned	248	186
Defined benefit pension plan	623	1,837
Deferred compensation and other liabilities	919	899
Net unrealized loss on securities available for sale	21,644	0
Lease accounting	303	327
SBA fees	0	9
Total deferred tax assets	25,643	5,032
Deferred tax liabilities:
Fixed assets	(463)	(415)
Goodwill	(1,228)	(1,228)
Defined benefit pension plan, prepaid portion	(2,013)	(2,021)
Net unrealized loss on securities available for sale	0	(759)
Lease accounting	(297)	(321)
Discount accretion of securities	(84)	(27)
Total deferred tax liabilities	(4,085)	(4,771)
Net deferred tax assets (liabilities)	$ 21,558	$ 261