Derivative Instruments (Details) (USD $)	3 Months Ended		9 Months Ended
	Jul. 31, 2013 bu	Jul. 31, 2012	Jul. 31, 2013 bu	Jul. 31, 2012	Oct. 31, 2012 bu	Oct. 31, 2011
Derivative [Line Items]
Outstanding corn derivative instrument	890,000		890,000		1,235,000
Derivative Assets, Current	$ 688		$ 688		$ 0
Commodity derivative instruments	0		0		(45,563)
Restricted Cash and Cash Equivalents, Current	412,000		412,000			494,000
Derivative Instruments, Gain (Loss) Recognized in Income, Net	343,320	49,813	369,902	(1,251,437)
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount	688		688		(45,563)
Fair Value, Inputs, Level 1 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	688		688		(45,563)
Fair Value, Inputs, Level 2 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	0	0	0	0
Fair Value, Inputs, Level 3 [Member]
Derivative [Line Items]
Derivative, Fair Value, Net	0		0		0
Corn Contracts [Member]
Derivative [Line Items]
Derivative Assets, Current	688		688		0
Commodity derivative instruments	0		0		(45,563)
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ 343,320	$ 49,813	$ 369,902	$ (1,251,437)