Secured Convertible Note (Narrative) (Details) (USD $)	3 Months Ended			12 Months Ended		3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2012 Convertible Debt [Member]	Jul. 31, 2012 Convertible Debt [Member]	Jul. 10, 2012 Convertible Debt [Member] loan	Oct. 31, 2012 Bridge Loan [Member]
Debt Instrument [Line Items]
Cash proceeds from convertable debt issued				$ 1,200,000
Number of lenders					9
Convertible debt principal					1,333,000
Convertible debt interest expense			371,000
Amortization of stock issued with bridge loan	$ 215,000	$ 0				$ 215,000