Note 7 - Leases - Operating Lease Expenses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating lease cost	$ 1,554	$ 1,510
Short-term lease cost	12	21
Variable lease cost	504	511
Sublease income	(14)	0
Total lease cost	$ 2,056	$ 2,042