Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013
Statement of Financial Position [Abstract]
Preferred Stock, Liquidation Preference, Value	$ 64,020	$ 64,020
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	400,000,000	275,000,000
Common stock, shares issued	283,902,599	196,310,402
Common stock, shares outstanding	283,902,599	196,310,402
Treasury stock, shares	45,550	5,679