Note 11 - Accumulated Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023
Balance	$ 20,810	$ 21,924	$ 29,023	$ 65,656	$ 75,966	$ 93,970	$ 29,023	$ 93,970
Other comprehensive loss, net of tax	35	(4)	(14)	391	420	469
Balance	14,906	20,810	21,924	53,343	65,656	75,966	14,906	53,343
Amounts reclassified from accumulated other comprehensive loss, net of tax	0			46			0	46
Other comprehensive income	35	(4)	(14)	391	420	469
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	(8)	(4)	10	(344)	(764)	(1,254)	10	(1,254)
Other comprehensive loss, net of tax	35	(4)	(14)	345	420	490
Balance	27	(8)	(4)	1	(344)	(764)	27	1
Other comprehensive loss before reclassifications, net of tax				345
Amounts reclassified from accumulated other comprehensive loss, net of tax				0
Other comprehensive income	35	(4)	(14)	345	420	490
A O C I Change In Fair Value Due To Instrument Specific Credit Risk [Member]
Balance				(46)	(46)	(25)		(25)
Other comprehensive loss, net of tax				46	0	(21)
Balance				0	(46)	(46)		0
Other comprehensive loss before reclassifications, net of tax				0
Amounts reclassified from accumulated other comprehensive loss, net of tax				46
Other comprehensive income				46	0	(21)
AOCI Attributable to Parent [Member]
Balance	(8)	(4)	10	(390)	(810)	(1,279)	10	(1,279)
Other comprehensive loss, net of tax	35	(4)	(14)	391	420	469
Balance	27	(8)	(4)	1	(390)	(810)	$ 27	$ 1
Other comprehensive loss before reclassifications, net of tax				345
Amounts reclassified from accumulated other comprehensive loss, net of tax				46
Other comprehensive income	$ 35	$ (4)	$ (14)	$ 391	$ 420	$ 469