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Shareholders' Equity (Details) (USD $) | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2014 | Apr. 30, 2013 | Jan. 23, 2014 | Oct. 31, 2013 | Jun. 25, 2013
Debt Conversion, Original Debt, Amount | $ 37,000,000 |  | $ 37,000,000 |  |  |  |
Senior Unsecured Convertible Notes | 1,000,000 |  | 1,000,000 |  |  | 38,000,000 | 38,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities |  |  | 23,870,979 |  |  |  |
Stock Issued During Period, Shares, Conversion of Convertible Securities, Debt Obligation |  |  | 5,399,747 |  |  |  |
Stock Issued During Period, Shares, Other |  |  | 247,553 |  |  |  |
Common stock issued relating to full exercise of an over allottment option |  |  |  |  | 3,300,000 |  |
Price Per Share for New Common Stock Issuance |  |  |  |  | $ 1.25 |  |
Stock Issued During Period, Shares, New Issues | 25,300,000 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 3,750,000 |  | 3,750,000 |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | 2.08 |  | 2.08 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest |  |  | (13,192,000) |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities |  |  | 32,421,000 | 0 |  |  |
Stock Issued During Period, Value, Other |  |  | 12,639,000 |  |  |  |
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures |  |  | 1,327,000 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  | 37,231,000 |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures |  |  | (1,111,000) |  |  |  |
Dividends, Preferred Stock | (800,000) | (800,000) | (1,600,000) | (1,600,000) |  |  |
Foreign currency translation adjustments | 130,000 | (55,000) | 110,000 | 21,000 |  |  |
Net Loss | (16,039,000) | (7,629,000) | (26,854,000) | (19,508,000) |  |  |
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest | 40,971,000 |  | 40,971,000 |  |  |  |
Proceeds from Issuance of Common Stock |  |  | 36,854,000 | 0 |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 5,000,000 |  | 5,000,000 |  |  |  |
Class of Warrant or Right, Unissued | 1,250,000 |  | 1,250,000 |  |  |  |
number of tranches of warrants | 2 |  | 2 |  |  |  |
Public stock offering [Member] |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock | 29,500,000 |  |  |  |  |  |
Parent [Member] |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest |  |  | (12,412,000) |  |  |  |
Stock Issued During Period, Value, Conversion of Convertible Securities |  |  | 32,421,000 |  |  |  |
Stock Issued During Period, Value, Other |  |  | 12,639,000 |  |  |  |
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures |  |  | 1,327,000 |  |  |  |
Stock Issued During Period, Value, New Issues |  |  | 37,231,000 |  |  |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures |  |  | (1,111,000) |  |  |  |
Dividends, Preferred Stock |  |  | (1,600,000) |  |  |  |
Foreign currency translation adjustments |  |  | 110,000 |  |  |  |
Net Loss |  |  | (26,447,000) |  |  |  |
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest | 42,158,000 |  | 42,158,000 |  |  |  |
Noncontrolling Interest [Member] |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest |  |  | (780,000) |  |  |  |
Net Loss |  |  | (407,000) |  |  |  |
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest | (1,187,000) |  | (1,187,000) |  |  |  |
Common Stock [Member] | Common Stock [Member] |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 4,387,600 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  | $ 7,700,000 |  |  |  |

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