Note 3 - Inventories (Tables)

3 Months Ended

Mar. 31, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	Inventory as of
(in thousands)	March 31, 2017		December 31, 2016
Unprocessed	$	212,055	$	203,256
Processed and finished		51,135		51,270
Totals	$	263,190	$	254,526