Note 3 - Inventories (Tables)

6 Months Ended

Jun. 30, 2014

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	Inventory as of
(in thousands)	June 30, 2014		December 31, 2013
Unprocessed	$	234,232	$	219,401
Processed and finished		76,722		66,970
Totals	$	310,954	$	286,371