Note 10 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating lease cost	$ 1,340	$ 1,191
Short-term lease cost	$ 81	$ 82
Weighted average remaining lease term (in years) (Year)	5 years
Weighted average discount rate	4.40%
Minimum [Member]
Range of remaining lease terms (in years) (Year)	3 months 18 days
Maximum [Member]
Range of remaining lease terms (in years) (Year)	8 years 3 months 18 days