Derivative Instruments (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011
Derivative [Line Items]
Restricted Cash and Cash Equivalents, Current	$ 102,000		$ 102,000		$ 903,000
Derivative Instruments, Gain (Loss) Recognized in Income, Net	49,813	(1,101,293)	(1,251,437)	1,142,583
Derivative Assets	55,088		55,088		404,050
Derivative Liabilities	0		0		0
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	55,088		55,088		404,050
Estimate of Fair Value, Fair Value Disclosure [Member]
Derivative [Line Items]
Derivative Assets	55,088		55,088		404,050
Fair Value, Inputs, Level 1 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	55,088		55,088		404,050
Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	0		0		0
Fair Value, Inputs, Level 3 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	0		0		0
Commodity Contract [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	0	5,920	0	(4,626)
Commodity [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	49,813	(1,093,853)	(1,251,437)	1,151,754
Purchase Commitment [Member]
Derivative [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 0	$ (13,360)	$ 0	$ (4,545)