Note 14 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Operating lease assets	$ 5,578	$ 9,855
Current operating lease liabilities	3,298	3,272
Long-term operating lease liabilities	2,245	7,586
Total operating lease liabilities	5,543	10,858
Finance lease assets	1,898	2,396
Current finance lease liabilities	550	552
Long-term finance lease liabilities	1,351	1,919
Total finance lease liabilities	$ 1,901	$ 2,471