Note 10 - Other Income - Schedule of Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest income	$ 1,962	$ 623	$ 5,891	$ 1,066
Realized gain on disposal of equipment	0	0	(0)	70
Total other income	$ 1,962	$ 623	$ 5,891	$ 1,136