Note 5 - Leases - Maturity of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Remaining 2024, operating leases	$ 1,397
Remaining 2024, finance leases	271
Remaining 2024	1,668
2025, operating leases	1,635
2025, finance leases	106
2025	1,741
2026, operating leases	1,581
2026, finance leases	108
2026	1,689
2027, operating leases	1,286
2027, finance leases	0
2027	1,286
2028, operating lease	1,279
2028, finance leases	0
2028	1,279
Therafter, operating leases	4,539
Therafter, finance leases	0
Therafter	4,539
Total lease payments, operating leases	11,717
Total lease payments, finance leases	485
Total lease payments	12,202
Less: Interest, operating leases	(3,505)
Less: Interest, finance leases	(21)
Less: Interest	(3,526)
Present value of lease liabilities, operating leases	8,212
Present value of lease liabilities, finance leases	464
Operating lease assets	$ 8,676	$ 8,361