SALES AGREEMENT (Narrative) (Details)	12 Months Ended
	Dec. 31, 2012 lb
Sales Agreement 1	100.00%
Sales Agreement 2	2,257,040
Sales Agreement 3	1,024
Sales Agreement 4	3,582,142
Sales Agreement 5	1,625
Sales Agreement 6	100.00%
Sales Agreement 7	0.00%
Sales Agreement 8	95.00%