Note 5 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating lease cost	$ 567	$ 581
Cash paid for amounts included in the measurement of lease liabilities	$ 493	434
Operating leases (Year)	8 years 9 months 18 days
Finance lease interest cost	$ 12	19
Finance leases (Year)	2 years 4 months 24 days
Finance lease amortization expense	$ 182	182
Operating leases	7.70%
Finance leases	5.20%
Total lease cost	$ 761	$ 782