Note 3 - Net Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30,		December 31,
	2017		2016
Finished goods	$	49,771	$	29,117
Work in process		64,168		54,463
Raw materials		44,355		33,841
Supplies		6,619		5,763
Total	$	164,913	$	123,184