Note 6 - Property and Equipment - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, plant and equipment, gross	$ 87,185	$ 85,300
Less accumulated depreciation	(39,583)	(34,687)
Total	47,602	50,613
Equipment and Software [Member]
Property, plant and equipment, gross	48,804	48,316
Furniture and Fixtures [Member]
Property, plant and equipment, gross	2,389	2,496
Leasehold Improvements [Member]
Property, plant and equipment, gross	34,614	34,056
Construction in Progress [Member]
Property, plant and equipment, gross	$ 1,378	$ 432

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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