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Loss Per Share | 3 Months Ended
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Jan. 31, 2019
Earnings Per Share [Abstract] |
Loss Per Share | Note 12. Loss Per Share The calculation of basic and diluted loss per share was as follows:
|  | Three Months Ended January 31, |
|  | 2019 |  |  | 2018 |
Numerator |  |  |  |  |  |  |  |
Net loss |  | $ | (17,548 | ) |  | $ | (4,183 | )
Series B preferred stock dividends |  | $ | (800 | ) |  | $ | (800 | )
Series C preferred stock deemed dividends and redemption value adjustment |  |  | (9,005 | ) |  |  | (3,463 | )
Series D Preferred stock deemed dividends and redemption accretion |  |  | (5,685 | ) |  |  | — |
Net loss attributable to common stockholders |  | $ | (33,038 | ) |  | $ | (8,446 | )
Denominator |  |  |  |  |  |  |  |
Weighted average basic common shares |  |  | 99,860,421 |  |  |  | 72,024,811 |
Effect of dilutive securities (1) |  |  | — |  |  |  | — |
Weighted average diluted common shares |  |  | 99,860,421 |  |  |  | 72,024,811 |
Basic loss per share |  | $ | (0.33 | ) |  | $ | (0.12 | )
Diluted loss per share (1) |  | $ | (0.33 | ) |  | $ | (0.12 | )
(1) | Due to the net loss to common stockholders in each of the periods presented above, diluted loss per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive. As of January 31, 2019 and 2018, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
|  | January 31, |  |  | January 31, |
|  | 2019 |  |  | 2018 |
May 2017 Offering - Series C Warrants |  |  | 11,569,364 |  |  |  | 11,573,364 |
May 2017 Offering - Series D Warrants |  |  | — |  |  |  | 525,308 |
July 2016 Offering - Series A Warrants |  |  | 7,680,000 |  |  |  | 7,680,000 |
Outstanding options to purchase common stock |  |  | 323,486 |  |  |  | 281,175 |
Unvested Restricted Stock Awards |  |  | 1,100,591 |  |  |  | 1,789,581 |
Unvested Restricted Stock Units |  |  | 3,400,922 |  |  |  | 1,185,001 |
Series C Preferred Shares to satisfy conversion requirements (1) |  |  | 17,211,968 |  |  |  | 13,512,717 |
Series D Preferred Shares to satisfy conversion requirements (2) |  |  | 18,424,965 |  |  |  | — |
5% Series B Cumulative Convertible Preferred Stock |  |  | 454,043 |  |  |  | 454,043 |
Series 1 Preferred Shares to satisfy conversion requirements |  |  | 15,168 |  |  |  | 15,166 |
Total potentially dilutive securities |  |  | 60,180,507 |  |  |  | 37,016,355 |
(1) | The number of shares of common stock issuable upon conversion of the Series C Preferred Stock was calculated using the liquidation preference value outstanding on January 31, 2019 of $7.5 million divided by the reduced conversion price of $0.43 and the liquidation preference of $24.2 million divided by the conversion price of $1.84 as of January 31, 2018. The actual number of shares issued could vary depending on the actual market price of the Company’s common shares on the date of such conversions.
(2) | The number of shares of common stock issuable upon conversion of the Series D Preferred Stock was calculated using the liquidation preference value outstanding on January 31, 2019 of $25.4 million divided by the conversion price of $1.38. The actual number of shares issued could vary depending on the actual market price of the Company’s common shares on the date of such conversions.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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