Note 5 - Leases - Leases Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Operating lease costs	$ 759	$ 676	$ 1,475	$ 1,405
Other	554	438	1,092	805
Total lease costs	1,313	1,114	2,567	2,210
Operating cash flows for operating leases	774	533	1,638	1,466
ROU assets obtained in exchange for new operating lease liabilities	$ 290	$ 48	$ 4,835	$ 1,058
Weighted-average remaining lease term (in years) (Year)	5 years 1 month 6 days		5 years 1 month 6 days		2 years 1 month 6 days
Weighted-average discount rate	3.60%		3.60%		2.10%