Note 7 - Property and Equipment - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, plant and equipment, gross	$ 76,373	$ 79,073
Less accumulated depreciation	(20,190)	(26,777)
Total	56,183	52,296
Equipment and Software [Member]
Property, plant and equipment, gross	37,137	27,456
Furniture and Fixtures [Member]
Property, plant and equipment, gross	1,947	1,126
Leasehold Improvements [Member]
Property, plant and equipment, gross	31,459	27,796
Construction in Progress [Member]
Property, plant and equipment, gross	$ 5,830	$ 22,695

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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