Note 4 - Net Inventories (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2015		2014
Finished goods	$	32,550	$	24,200
Work in process		41,358		27,640
Raw materials		30,830		28,558
Supplies		5,182		5,232
Total	$	109,920	$	85,630