Note 16 - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Income before income taxes		$ 7,007	$ 4,049	$ 3,996	$ 4,534	$ 5,201	$ 4,109	$ 4,820	$ 6,323	$ 19,586	$ 20,453	$ 14,645
Tax effect		(1,560)	(634)	(647)	(824)	(1,052)	(685)	(951)	(1,273)	(3,665)	(3,961)	(2,562)
Net income		$ 5,447	$ 3,415	$ 3,349	$ 3,710	$ 4,149	$ 3,424	$ 3,869	$ 5,050	15,921	16,492	12,083
Reclassification out of Accumulated Other Comprehensive Income
Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items]
Realized net holding (losses) gains on available-for-sale securities										(139)	18	24
Income before income taxes										(139)	18	24
Tax effect	[1]									29	(4)	(5)
Net income										$ (110)	$ 14	$ 19

[1] *At rate of 21%