Note 3 - Net Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	June 30,		December 31,
	2016		2015
Finished goods	$	34,956	$	32,550
Work in process		67,375		41,358
Raw materials		32,105		30,830
Supplies		5,700		5,182
Total	$	140,136	$	109,920