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Loss Per Share (Tables) | 12 Months Ended
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Oct. 31, 2020
Earnings Per Share [Abstract] |
Calculation of Basic and Diluted Loss Per Share | The calculation of basic and diluted EPS for the years ended October 31, 2020, 2019 and 2018 was as follows (amounts in thousands, except share and per share amounts):
|  | 2020 |  |  | 2019 |  |  | 2018 |
Numerator |  |  |  |  |  |  |  |  |  |  |  |
Net loss |  | $ | (89,107 | ) |  | $ | (77,568 | ) |  | $ | (47,334 | )
Series A warrant exchange |  |  | — |  |  |  | (3,169 | ) |  |  | — |
Series B Preferred stock dividends |  |  | (3,331 | ) |  |  | (3,231 | ) |  |  | (3,200 | )
Series C Preferred stock deemed dividends and redemption value adjustments, net |  |  | — |  |  |  | (6,522 | ) |  |  | (9,559 | )
Series D Preferred stock deemed dividends and redemption accretion |  |  | — |  |  |  | (9,755 | ) |  |  | (2,075 | )
Net loss attributable to common stockholders |  | $ | (92,438 | ) |  | $ | (100,245 | ) |  | $ | (62,168 | )
Denominator |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding - basic |  |  | 221,960,288 |  |  |  | 55,081,266 |  |  |  | 6,896,189 |
Effect of dilutive securities (1) |  |  | — |  |  |  | — |  |  |  | — |
Weighted average common shares outstanding - diluted |  |  | 221,960,288 |  |  |  | 55,081,266 |  |  |  | 6,896,189 |
Net loss to common stockholders per share - basic |  | $ | (0.42 | ) |  | $ | (1.82 | ) |  | $ | (9.01 | )
Net loss to common stockholders per share - diluted (1) |  | $ | (0.42 | ) |  | $ | (1.82 | ) |  | $ | (9.01 | )
(1) | Due to the net loss to common stockholders 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. As of October 31, 20 20, 201 9 and 201 8, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
Schedule of Potentially Dilutive Securities Excluded from the Diluted Loss Per Share Calculation | As of October 31, 20 20, 201 9 and 201 8, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
|  | October 31, 2020 |  |  | October 31, 2019 |  |  | October 31, 2018 |
Orion Warrants |  |  | 2,700,000 |  |  |  | 6,000,000 |  |  |  | — |
May 2017 Offering – Series C Warrants |  |  | 964,114 |  |  |  | 964,114 |  |  |  | 964,114 |
July 2016 Offering – Series A Warrants |  |  | — |  |  |  | — |  |  |  | 640,000 |
Outstanding options to purchase common stock |  |  | 23,891 |  |  |  | 24,927 |  |  |  | 26,958 |
Unvested Restricted Stock Awards |  |  | 538 |  |  |  | 24,574 |  |  |  | 93,286 |
Unvested Restricted Stock Units |  |  | 2,066,602 |  |  |  | 166,541 |  |  |  | 270,929 |
Series C Preferred Shares to satisfy conversion requirements |  |  | — |  |  |  | — |  |  |  | 499,556 |
Series D Preferred Shares to satisfy conversion requirements |  |  | — |  |  |  | — |  |  |  | 1,852,657 |
5% Series B Cumulative Convertible Preferred Stock |  |  | 37,837 |  |  |  | 37,837 |  |  |  | 37,837 |
Series 1 Preferred Shares to satisfy conversion requirements |  |  | — |  |  |  | 1,264 |  |  |  | 1,264 |
Total potentially dilutive securities |  |  | 5,792,982 |  |  |  | 7,219,257 |  |  |  | 4,386,601 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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