Note 7 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating lease costs	$ 1,699	$ 1,798	$ 1,485
Short-term leases	2,587	2,496	3,088
Variable lease costs	381	648	494
Net lease cost	$ 4,667	$ 4,942	$ 5,067