Note 10 - Accumulated Other Comprehensive Income (Loss) - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024
Balance	$ 10,182	$ 16,998	$ 15,124	$ 20,810	$ 21,924	$ 29,023
Other comprehensive income (loss), net of tax	(4)	(6)	1	35	(4)	(14)
Balance	78,192	10,182	16,998	14,906	20,810	21,924
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Balance	0	6	5	(8)	(4)	10
Other comprehensive income (loss), net of tax	(4)	(6)	1	35	(4)	(14)
Balance	$ (4)	$ 0	$ 6	$ 27	$ (8)	$ (4)