Note 14 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating lease cost	$ 3,391	$ 4,191
Amortization of right-of-use assets	498	143
Interest on lease obligations	9	2
Variable lease cost	719	989
Total lease cost	4,617	5,325
Operating cash flows from operating leases	10,477	4,426
Operating cash flows from finance leases	9	2
Financing cash flows from finance leases	552	154	$ (0)
Lease assets obtained in exchange for new operating lease liabilities	5,293	1,506
Lease assets obtained in exchange for new financing lease liabilities	$ 0	$ 2,523