Note 14 - Accumulated Other Comprehensive (Loss) Income - Changes in Each Component of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Balance	$ 117,039	$ 84,916
Reclassification adjustment	0	(29)
Change in fair value of cash flow hedges, net of tax	553	738
Total other comprehensive (loss) income	(13,690)	(916)
Balance	106,563	85,926
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(445)	3,058
Unrealized holding gains, net of tax	(14,243)	(1,625)
Reclassification adjustment		(29)
Change in fair value of cash flow hedges, net of tax	0	0
Total other comprehensive (loss) income	(14,243)	(1,654)
Balance	(14,688)	1,404
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Balance	743	340
Unrealized holding gains, net of tax	0	0
Reclassification adjustment		0
Change in fair value of cash flow hedges, net of tax	553	738
Total other comprehensive (loss) income	553	738
Balance	1,296	1,078
AOCI Attributable to Parent [Member]
Balance	298	3,398
Unrealized holding gains, net of tax	(14,243)	(1,625)
Reclassification adjustment		(29)
Change in fair value of cash flow hedges, net of tax	553	738
Total other comprehensive (loss) income	(13,690)	(916)
Balance	$ (13,392)	$ 2,482