Note 9 - Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
2023, finance leases	$ 1,679
2023, operating leases	2,588
2023, total	4,267
2024, finance leases	1,392
2024, operating leases	2,998
2024, total	4,390
2025, finance leases	986
2025, operating leases	3,064
2025, total	4,050
2026, finance leases	774
2026, operating leases	3,059
2026, total	3,833
2027, finance leases	671
2027, operating leases	3,098
2027, total	3,769
2026 and thereafter, finance leases	1,015
2028 and thereafter, operating leases	10,949
2028 and thereafter, total	11,964
Total lease payments, finance leases	6,517
Total lease payments, operating leases	25,756
Total lease payments, total	32,273
Less—portion representing interest, finance leases	(878)
Less—portion representing interest, operating leases	(7,636)
Less—portion representing interest, total	(8,514)
Present value of lease obligations, finance leases	5,639
Present value of lease obligations, operating leases	18,120
Present value of lease obligations, total	23,759
Less—current portion of lease obligations, finance leases	(1,663)	$ (2,008)
Less—current portion of lease obligations, operating leases	(1,824)	(1,882)
Less—current portion of lease obligations, total	(3,487)
Long-term portion of lease obligations, finance leases	3,976	4,226
Long-term portion of lease obligations, operating leases	16,296	$ 16,696
Long-term portion of lease obligations, total	$ 20,272