Note 13 - Other Income - Other Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Interest income	$ 486	$ 423	$ 1,471	$ 1,283
Refundable tax credit	152	120	402	526
Foreign currency gains (losses)	(21)	(65)	(5)	58
Other income (loss)	0	0	0	3
Total other income, net	$ 617	$ 478	$ 1,868	$ 1,870