Note 3 - Inventories (Tables)

6 Months Ended

Jun. 30, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

	Inventory as of
(in thousands)	June 30, 2013		December 31, 2012
Unprocessed	$	186,367	$	215,526
Processed and finished		62,420		74,497
Totals	$	248,787	$	290,023