Note 9 - Leases - Leases Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Amortization of finance lease assets		$ 370	$ 288
Interest on finance lease liabilities		98	80
Total finance lease costs		468	368
Operating lease cost		704	698
Short-term lease cost		89	151
Variable lease cost	[1]	345	226
Sublease income		(48)	(47)
Total operating lease costs		1,090	1,028
Total lease cost		1,558	1,396
Operating cash outflow from operating leases		$ 864	$ 869
Weighted-average remaining lease term-finance leases at end of period (in years) (Year)		3 years 2 months 12 days	2 years 10 months 24 days
Weighted-average remaining lease term-operating leases at end of period (in years) (Year)		7 years 10 months 24 days	8 years 8 months 12 days
Weighted-average discount rate-finance leases at end of period		6.30%	6.20%
Weighted-average discount rate-operating leases at end of period		8.80%	8.60%

[1] Variable lease costs consist primarily of taxes, insurance, utilities, and common area or other maintenance costs for the Company’s leased facilities and equipment.