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Earnings Per Share (Tables) | 12 Months Ended
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Oct. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The calculation of basic and diluted EPS for the years ended October 31, 2016, 2015 and 2014 was as follows:
|  | 2016 |  | 2015 |  | 2014
Numerator |  |  |  |  |  |
Net loss |  | $ | (51,208 | ) |  | $ | (29,684 | ) |  | $ | (38,883 | )
Net loss attributable to noncontrolling interest |  | 251 |  |  | 325 |  |  | 758 |
Preferred stock dividend |  | (3,200 | ) |  | (3,200 | ) |  | (3,200 | )
Net loss attributable to common shareholders |  | $ | (54,157 | ) |  | $ | (32,559 | ) |  | $ | (41,325 | )
Denominator |  |  |  |  |  |
Weighted average basic common shares |  | 29,773,700 |  |  | 24,513,731 |  |  | 20,473,915 |
Effect of dilutive securities (1) |  | — |  |  | — |  |  | — |
Weighted average diluted common shares |  | 29,773,700 |  |  | 24,513,731 |  |  | 20,473,915 |
Basic loss per share |  | (1.82 | ) |  | (1.33 | ) |  | (2.02 | )
Diluted loss per share (1) |  | (1.82 | ) |  | (1.33 | ) |  | (2.02 | )
(1) | Due to the net loss to common shareholders in each of the years presented above, diluted earnings per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. At October 31, 2016 and 2015, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
| October 31, 2016 |  | October 31, 2015
July 2016 Offering - Series A Warrants | 7,680,000 |  |  | — |
July 2016 Offering - Series B Warrants | 3,826,000 |  |  | — |
July 2014 Offering - NRG Warrants | 166,666 |  |  | 166,666 |
Outstanding options to purchase common stock | 246,923 |  |  | 257,769 |
Unvested RSAs | 915,831 |  |  | 450,783 |
5% Series B Cumulative Convertible Preferred Stock (2) | 454,043 |  |  | 454,043 |
Series 1 Preferred Shares to satisfy conversion requirements (2) | 1,042,000 |  |  | 337,200 |
Total potentially dilutive securities | 14,331,463 |  |  | 1,666,461 |
(2) | Refer to Note 12, Redeemable Preferred Stock, for information on the calculation of the common shares upon conversion.
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] | At October 31, 2016 and 2015, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
| October 31, 2016 |  | October 31, 2015
July 2016 Offering - Series A Warrants | 7,680,000 |  |  | — |
July 2016 Offering - Series B Warrants | 3,826,000 |  |  | — |
July 2014 Offering - NRG Warrants | 166,666 |  |  | 166,666 |
Outstanding options to purchase common stock | 246,923 |  |  | 257,769 |
Unvested RSAs | 915,831 |  |  | 450,783 |
5% Series B Cumulative Convertible Preferred Stock (2) | 454,043 |  |  | 454,043 |
Series 1 Preferred Shares to satisfy conversion requirements (2) | 1,042,000 |  |  | 337,200 |
Total potentially dilutive securities | 14,331,463 |  |  | 1,666,461 |
(2) | Refer to Note 12, Redeemable Preferred Stock, for information on the calculation of the common shares upon conversion.

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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