Note 8 - Leases - Operating Lease Expenses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating lease cost	$ 6,170	$ 4,159
Short-term lease cost	52	436
Variable lease cost	1,864	1,312
Total operating lease cost	$ 8,086	$ 5,907