Note 8 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Lease liability cost		$ 1,780	$ 1,747	$ 3,500	$ 3,496
Short-term lease expenses (1)	[1]	279	206	546	454
Variable lease cost not included in the lease liability (2)	[2]	180	136	315	246
Total lease cost		$ 2,239	$ 2,089	$ 4,361	$ 4,196

[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.