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v3.3.1.900

Shareholders' Equity (Deficit) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Oct. 31, 2015 | Oct. 31, 2014 | Oct. 31, 2013 | Jun. 25, 2013
Stock Issued During Period, Value, New Issues | $ 26,921 | $ 105,966 | $ 5,548 |
Common Stock, Par or Stated Value Per Share | $ 0.0001 | $ 0.0001 |  |
Proceeds from Issuance of Common Stock | $ 27,060 | $ 105,844 | $ 5,040 |
Common Stock, Capital Shares Reserved for Future Issuance | 2,000,000 |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 200,000 | 500,000 | 400,000 |
Public stock offering [Member] |  |  |  |
Common stock issued relating to full exercise of an over allottment option |  | 300,000 |  |
Price Per Share for New Common Stock Issuance |  | $ 18.00 |  |
Proceeds from Issuance of Common Stock |  | $ 32,000 |  |
shares issued 2014 public offering |  | 1,900,000 |  |
Common Stock [Member] |  |  |  |
Common stock issued to settle make-whole obligation, shares |  | 459,523 |  |
Stock Issued During Period, Shares, Acquisitions |  |  | 293,897 |
Stock Issued During Period, Shares, New Issues | 1,845,166 | 4,973,604 | 357,983 |
Stock Issued During Period, Value, New Issues | $ 1 | $ 0 | $ 0 |
Common Stock [Member] | Common Stock [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues | 1,900,000 | 1,600,000 |  |
Proceeds from Issuance of Common Stock | $ 26,900 | $ 41,300 |  |
NRG Energy [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 1,200,000 |  |
Price Per Share for New Common Stock Issuance |  | $ 28.68 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  | $ 40.2 |  |
Proceeds from Issuance of Common Stock |  | $ 35,000 |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  | 200,000 |  |
Convertible Debt [Member] |  |  |  |
Convertible Debt |  | $ 38,000 |  | $ 38,000
Stock Issued During Period, Shares, Conversion of Convertible Securities |  | 2,040,000 |  |
Common stock issued to settle make-whole obligation, shares |  | 500,000 |  |
Stock Issued During Period, Shares, Conversion of Convertible Securities, Accrued Interest |  | 30,000 |  |

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