CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Jul. 31, 2015	Oct. 31, 2014
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	9,665,701	6,620,660
Common stock, shares outstanding	9,665,701	6,620,660
Series A Convertible Preferred stock [Member]
Preferred Stock, Shares Authorized	8,830,000
Preferred Stock, Shares Outstanding	8,776,968
Preferred Stock, Liquidation Preference, Value	$ 5,968
Preferred Stock Held In Escrow Shares	7,352,939
Series B Convertible Preferred stock [Member]
Preferred Stock, Shares Authorized	54,250
Preferred Stock, Shares Outstanding	54,201.71
Series C Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized	26,000
Preferred Stock, Shares Outstanding	25,763.53
Preferred Stock Held In Escrow Shares	20,610.80