Note 3 - Inventories (Tables)

9 Months Ended

Sep. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	As of
(in thousands)	September 30, 2013		December 31, 2012
Unprocessed	$	179,856	$	215,526
Processed and finished		65,915		74,497
Totals	$	245,771	$	290,023