Note 20 - Parent Company Financial Information - Statements of Cash Flow (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Net income	$ 9,482	$ 5,869
Share-based compensation	155	0
Change in other assets	(1,424)	(1,413)
Other liabilities	(363)	1,161
Net cash provided by operating activities	9,553	6,562
Net cash used by investing activities	(122,671)	(97,172)
Advance on short-term line of credit	3,200	0
Common stock repurchased	(6,307)	(1,012)
Dividends paid	(1,624)	(1,582)
Net cash used by financing activities	133,075	141,912
Parent Company [Member]
Net income	9,482	5,869
Equity in undistributed income of affiliate	(1,689)	(3,788)
Share-based compensation	155	0
Change in other assets	(32)	1
Other liabilities	10	(41)
Net cash provided by operating activities	7,926	2,041
Investment in affiliate	(3,200)	0
Net cash used by investing activities	(3,200)	0
Advance on short-term line of credit	3,200	0
Common stock repurchased	(6,307)	(1,012)
Dividends paid	(1,624)	(1,582)
Net cash used by financing activities	(4,731)	(2,594)
Net decrease in cash and cash equivalents	(5)	(553)
Cash and cash equivalents, beginning	31	584
Cash and cash equivalents, ending	$ 26	$ 31