Note 10 - Other Income - Schedule of Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income	$ 2,059	$ 424	$ 3,930	$ 443
Realized gain on disposal of equipment	0	69	(0)	70
Total other income	$ 2,059	$ 493	$ 3,930	$ 513