DERIVATIVE INSTRUMENTS (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012 lb
Derivative Instruments 1	$ 2,532,928
Derivative Instruments 2	7,648,288
Derivative Instruments 3	1,322,774
Derivative Instruments 4	3,968,322
Derivative Instruments 5	3,087,021
Derivative Instruments 6	6,720,450
Derivative Instruments 7	25,320
Derivative Instruments 8	$ 16,106,691