Promissory Note (Narrative II) (Details) (USD $)	3 Months Ended	12 Months Ended		12 Months Ended
	Oct. 31, 2013	Jul. 31, 2014	Oct. 31, 2014	Jul. 31, 2014 Morrison And Foerster L.L.P. [Member]	Jul. 31, 2013 Morrison And Foerster L.L.P. [Member]
Class of Warrant or Right [Line Items]
Number of warrants to purchase common stock	73,290		648,053		375,000
Exercise price of warrants					$ 0.83
Fair value of warrants			$ 651,000		$ 245,000
Dividend yield					0.00%
Volatility rate					134.00%
Risk-free interest rate					0.35%
Expected life					5 years
Repayment of unsecured debt				500,000
Extinguishment of unsecured debt				1,227,000
Gain on extinguishment of debt		727,000
Amount paid under terms of the note	$ 21,000