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v3.7.0.1

Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended |
--- | --- | ---
Jan. 31, 2017 | Jan. 31, 2016 | Oct. 31, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Dividends, Preferred Stock | $ (800) | $ (800) |
Foreign currency translation adjustments | (70) | (218) |
Net Loss | (13,685) | (11,779) |
Proceeds from Issuance of Common Stock | 4,977 | $ 13,306 |
Parent [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Stockholders' equity (decifit), Including Portion Attributable to Noncontrolling Interest | 114,396 |  |
Stock Granted During Period, Value, Share-based Compensation, Net of Forfeitures | 1,013 |  |
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures | 49 |  |
Dividends, Preferred Stock | (800) |  |
Foreign currency translation adjustments | (70) |  |
Net Loss | (13,685) |  |
Stockholders' equity (deficit), Including Portion Attributable to Noncontrolling Interest | $ 105,682 |  |
Common Stock [Member] | Common Stock [Member] |  |  |
Stock Issued During Period, Shares, New Issues | 2,200,000 |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Proceeds from Issuance of Common Stock | $ 4,900 |  |
NRG Energy, Inc. [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Common stock ownership percentage | 3.00% |  |
NRG Energy [Member] |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 200,000 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 40.20 |  |
Common Stock and Pre-Funded Warrants [Member] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |
Stock Issued During Period, Value, New Issues | $ 4,779 |  |
Series A Warrant [Member] |  |  |
Class of Warrant or Right, Outstanding | 7,680,000 | 0 |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 5.83 |  |
Series B Warrant [Member] |  |  |
Class of Warrant or Right, Outstanding | 4,926,000 |  | 3,826,000

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