Derivative Instrument, Income Statement (Details) (USD $)	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	$ (1,651,799)	$ 1,271,242	$ 1,889,836
Corn Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
derivative cost of goods	(1,651,799)	1,280,413	2,339,286
Natural Gas [Member]
Derivative Instruments, Gain (Loss) [Line Items]
derivative cost of goods	0	(4,545)	(113,710)
Denaturant [Member]
Derivative Instruments, Gain (Loss) [Line Items]
derivative cost of goods	0	0	7,708
Ethanol Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Ethanol Revenue	$ 0	$ (4,626)	$ (343,448)