Note 14 - Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating lease costs	$ 679	$ 170	$ 1,154	$ 339
Short-term lease costs	450	59	661	117
Total operating lease costs	1,129	229	1,815	456
Variable lease costs	157	0	284	0
Total lease expense	$ 1,286	$ 229	$ 2,099	$ 456