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Loss Per Share - Schedule of Potentially Dilutive Securities Excluded from the Diluted Loss Per Share Calculation (Details) - shares | 12 Months Ended
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Oct. 31, 2019 | Oct. 31, 2018 | Oct. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 7,219,257 | 4,386,601 | 3,644,230
Orion Warrants [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 6,000,000 |  |
Series C Warrants [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 964,114 | 964,114 | 965,075
Series D Warrants [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  |  |  | 215,348
Series A Warrant [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  |  | 640,000 | 640,000
Outstanding Options To Purchase Common Stock [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 24,927 | 26,958 | 25,830
Unvested Restricted Stock Awards [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 24,574 | 93,286 | 158,224
Unvested Restricted Stock Units [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation |  | 166,541 | 270,929 | 92,500
Series C Preferred Stock [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation | [1] |  | 499,556 | 1,508,152
Series D Preferred Stock [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation | [2] |  | 1,852,657 |
Series B Cumulative Preferred Stock [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation | [3] | 37,837 | 37,837 | 37,837
Series 1 Preferred Shares [Member] |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Potentially dilutive securities excluded from diluted loss per share calculation | [3] | 1,264 | 1,264 | 1,264
[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 October 31, 2018 of $9.0 million divided by the reduced conversion price of $18.00 and the liquidation preference of $33.3 million divided by the conversion price of $22.08 as of October 31, 2017. The actual number of shares was subject to variation depending on the actual market price of the Company’s common shares on the dates of such conversions. All Series C Preferred Stock was converted prior to October 31, 2019.
[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 October 31, 2018 of $30.7 million divided by the conversion price of $16.56. The actual number of shares issued was subject to variation depending on the actual market price of the Company’s common shares on the dates of such conversions. All Series D Preferred Stock was converted prior to October 31, 2019.
[3] | Refer to Note 15. “Redeemable Preferred Stock” for information regarding the calculation of the common shares issuable upon conversion as of October 31, 2019.

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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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