Note 3 - Net Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Finished goods	$ 35,716	$ 24,200
Work in process	59,006	27,640
Raw materials	30,898	28,558
Supplies	5,231	5,232
Total	$ 130,851	$ 85,630