Note 17 - Income Taxes - Summary of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Depreciation	$ (4,024)	$ (3,746)
FHLB stock dividend	(71)	(63)
Unrealized gain on available for sale securities	(309)	(480)
Basis difference in acquired assets and liabilities	(1,233)	(1,010)
Operating lease right-of-use asset	(704)	(809)
Other	(167)	(149)
Gross deferred tax liability	(6,508)	(6,257)
Allowance for loan losses	4,502	4,012
Net operating loss carryforward	316	440
Deferred compensation	903	404
Basis difference in acquired assets and liabilities	709	380
Employee and director stock awards	553	524
Operating lease liability	725	828
Unearned loan fees	379	667
Employee Retention Credit	498	0
Other	162	362
Gross deferred tax assets	8,747	7,617
Net deferred tax asset	$ 2,239	$ 1,360