Note 3 - Net Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,		December 31,
	2017		2016
Finished goods	$	29,858	$	29,117
Work in process		71,140		54,463
Raw materials		44,692		33,841
Supplies		5,844		5,763
Total	$	151,534	$	123,184