Note 8 - Property and Equipment - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, plant and equipment, gross	$ 78,181	$ 76,373
Less accumulated depreciation	(24,070)	(20,190)
Total	54,111	56,183
Equipment and Software [Member]
Property, plant and equipment, gross	39,646	37,137
Furniture and Fixtures [Member]
Property, plant and equipment, gross	2,014	1,947
Leasehold Improvements [Member]
Property, plant and equipment, gross	33,801	31,459
Construction in Progress [Member]
Property, plant and equipment, gross	$ 2,720	$ 5,830

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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