Convertible Note and Derivative Liability (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended		3 Months Ended			3 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Jul. 31, 2014	Jul. 31, 2013 item	Oct. 31, 2014 Warrant [Member]	Jul. 31, 2013 Notes [Member]	Jan. 25, 2013 Notes [Member]	Oct. 31, 2014 Bridge Loan [Member] Warrant [Member]	Jul. 31, 2013 Bridge Loan [Member] Warrant [Member]
Convertible Note And Derivative Liability [Line Items]
Aggregate cash consideration received				$ 1,200,000
Number of lenders				9
Shares issued									132,420
Fair value of warrants	10,000		9,000
Aggregate number of exercises		90,699						90,699
Decrease in derivative liability	(1,000)	(58,000)			(1,000)
Common stock, shares issued	39,788,465		29,394,940					73,290
Warrants outstanding								9,709
Unsecured note principal amount						1,333,000	1,125,000
Warrants liability	$ 10,000		$ 9,000	$ 51,000