Note 14 - Income Taxes - Significant Components of Net Deferred Tax Asset (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021	[1]
Allowance for loan losses	$ 7,283	$ 6,647
Unrealized losses on available-for-sale securities	4,153	0
Unrealized asset losses	503	482
Purchase accounting	148	455
FDIC assisted transactions	588	810
Deferred loan fees	2,074	2,350
Deferred compensation assets	5,035	5,634
Federal net operating loss carryforward	1,223	2,179
Lease liability	160	184
Other	707	472
Total deferred tax assets	21,874	19,213	$ 17,493
Fixed assets	(755)	(1,046)
Intangible assets	(857)	(318)
Odd days interest deferral	(4,010)	(3,324)
Unrealized gains on available for sale securities	0	(4)
Right of use asset	(155)	(177)
Other	(197)	(192)
Total deferred tax liabilities	(5,974)	(5,061)
Net deferred tax asset	$ 15,900	$ 14,152

[1] Effect of deferred tax assets related to the adjustment to the ACL form the adoption of ASU 2016-13 using a 23.37% tax rate.