Note 11 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Balances of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Balance	$ 276,732	$ 260,889
Balance	258,871	276,732
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(427)	478
Other comprehensive income (loss) before reclassifications	(5,766)	(892)
Amounts reclassified from accumulated other comprehensive income (loss)	51	(13)
Net current period other comprehensive income (loss)	(5,715)	(905)
Balance	(6,142)	(427)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Balance	55	0
Other comprehensive income (loss) before reclassifications	(1,316)	200
Amounts reclassified from accumulated other comprehensive income (loss)	1,154	(145)
Net current period other comprehensive income (loss)	(162)	55
Balance	(107)	55
AOCI Attributable to Parent [Member]
Balance	(372)	478
Other comprehensive income (loss) before reclassifications	(7,082)	(692)
Amounts reclassified from accumulated other comprehensive income (loss)	1,205	(158)
Net current period other comprehensive income (loss)	(5,877)	(850)
Balance	$ (6,249)	$ (372)