Note 19 - Income Taxes - Deferred Tax Asset (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Allowance for loan and lease losses	$ 3,616	$ 3,634
Deferred compensation plan and salary continuation plan	2,773	2,385
Acquired loan fair value	494
State franchise tax	457	474
Acquisition costs	274	274
Unrealized loss on securities available-for-sale		1,262
Interest received on non-accrual loans	92	86
Lease liability	1,024
Other	700	403
Total deferred tax assets	9,430	8,518
Deferred tax liabilities:
Deferred loan origination costs and fees	(568)	(579)
Unrealized gains on securities available-for-sale	(582)
Core deposit intangible	(1,139)
Basis difference in fixed assets	(1,336)	(874)
Lease asset	(1,024)
Other	(228)	(26)
Total deferred tax liabilities	(4,877)	(1,479)
Net deferred tax asset	$ 4,553	$ 7,039