Note 1 - Organization, Nature of Business and Summary of Significant Accounting Policies - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Raw materials	$ 16,367	$ 34,720
Work-in-process	5,022	13,574
Finished goods	38,091	58,657
Total inventory	59,480	106,951
Inventory reserve	(5,009)	(4,694)
Inventory, net	$ 54,471	$ 102,257