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Loss Per Share | 9 Months Ended
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Jul. 31, 2021
Earnings Per Share [Abstract] |
Loss Per Share | Note 14. Loss Per Share The calculation of basic and diluted loss per share was as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended July 31, | ​ | Nine Months Ended July 31,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
Numerator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Net loss | ​ | $ | (11,997) | ​ | $ | (15,331) | ​ | $ | (76,874) | ​ | $ | (70,251)
Series B preferred stock dividends | ​ | ​ | (800) | ​ | ​ | (800) | ​ | ​ | (2,400) | ​ | ​ | (2,531)
Net loss attributable to common stockholders | ​ | $ | (12,797) | ​ | $ | (16,131) | ​ | $ | (79,274) | ​ | $ | (72,782)
Denominator | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Weighted average basic common shares | ​ | ​ | 337,291,562 | ​ | ​ | 217,966,402 | ​ | ​ | 323,983,465 | ​ | ​ | 210,389,907
Effect of dilutive securities (1) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | —
Weighted average diluted common shares | ​ | ​ | 337,291,562 | ​ | ​ | 217,966,402 | ​ | ​ | 323,983,465 | ​ | ​ | 210,389,907
Basic loss per share | ​ | $ | (0.04) | ​ | $ | (0.07) | ​ | $ | (0.24) | ​ | $ | (0.35)
Diluted loss per share (1) | ​ | $ | (0.04) | ​ | $ | (0.07) | ​ | $ | (0.24) | ​ | $ | (0.35)
(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 anti-dilutive. As of July 31, 2021 and 2020, potentially dilutive securities excluded from the diluted loss per share calculation are as follows:
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | July 31, | ​ | July 31,
​ |  | 2021 |  | 2020
Orion Warrants | ​ | ​ | — | ​ | ​ | 8,000,000
May 2017 Offering - Series C Warrants | ​ | ​ | 950,102 | ​ | ​ | 964,114
Outstanding options to purchase common stock | ​ | ​ | 22,388 | ​ | ​ | 23,891
Unvested Restricted Stock Awards | ​ | ​ | — | ​ | ​ | 701
Unvested Restricted Stock Units | ​ | ​ | 2,665,764 | ​ | ​ | 1,197,889
5% Series B Cumulative Convertible Preferred Stock | ​ | ​ | 37,837 | ​ | ​ | 37,837
Total potentially dilutive securities | ​ | ​ | 3,676,091 | ​ | ​ | 10,224,432
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