Summary of Significant Accounting Policies Narrative (Details) (USD $)	3 Months Ended	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2012 gal	Oct. 31, 2011
Accounting Policies [Abstract]
Plant production capacity		60,000,000
Production (Actual)		70,000,000
Measurement, Rolling Twelve Months	12
Cash, Uninsured Amount	$ 230,000	$ 230,000	$ 13,028,000