Note 6 - Property and Equipment - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, plant and equipment, gross	$ 85,300	$ 79,293
Less accumulated depreciation	(34,687)	(28,510)
Total	50,613	50,783
Equipment and Software [Member]
Property, plant and equipment, gross	48,316	42,733
Furniture and Fixtures [Member]
Property, plant and equipment, gross	2,496	2,204
Leasehold Improvements [Member]
Property, plant and equipment, gross	34,056	33,797
Construction in Progress [Member]
Property, plant and equipment, gross	$ 432	$ 559

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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