Note 9 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Lease liability cost		$ 1,798	$ 1,953	$ 5,294	$ 4,602
Short-term lease expenses (1)	[1]	138	173	592	1,522
Variable lease cost not included in the lease liability (2)	[2]	119	97	365	166
Total lease cost		$ 2,055	$ 2,223	$ 6,251	$ 6,290

[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.