Note 8 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Lease liability cost		$ 1,853	$ 1,798	$ 5,353	$ 5,294
Short-term lease expenses (1)	[1]	345	138	891	592
Variable lease cost not included in the lease liability (2)	[2]	163	119	478	365
Total lease cost		$ 2,361	$ 2,055	$ 6,722	$ 6,251

[1] Short-term lease expenses include rent expenses from leases of 12 months or less on the transition date or lease commencement.

[2] Variable lease cost includes common area maintenance, property taxes, and fluctuations in rent due to a change in an index or rate.