Note 9 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Lease liability cost		$ 1,747	$ 1,498	$ 3,496	$ 2,649
Short-term lease expenses (1)	[1]	206	535	454	1,349
Variable lease cost not included in the lease liability (2)	[2]	136	37	246	69
Total lease cost		$ 2,089	$ 2,070	$ 4,196	$ 4,067

[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.