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Stockholders' Equity - Schedule of Stockholders Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2018 | Jul. 31, 2017 | Jul. 31, 2018 | Jul. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance as of October 31, 2017 |  |  | $ 101,256 |
Foreign currency translation adjustments | $ (128) | $ 199 | (41) | $ 161
Net loss | (15,881) | $ (17,001) | (33,238) | $ (43,924)
Balance as of July 31, 2018 | 95,508 |  | 95,508 |
Parent [Member] |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Balance as of October 31, 2017 |  |  | 101,256 |
Share-based compensation |  |  | 2,309 |
Proceeds from common stock issuance and warrant exercises, net of fees |  |  | 10,013 |
Common stock issued, non-employee compensation |  |  | 282 |
Taxes paid for shares surrendered upon vesting of restricted stock awards, net of stock issued under benefit plans |  |  | (656) |
Preferred dividends – Series B |  |  | (2,400) |
Conversion of Redeemable Series C preferred stock |  |  | 17,983 |
Foreign currency translation adjustments |  |  | (41) |
Net loss |  |  | (33,238) |
Balance as of July 31, 2018 | $ 95,508 |  | $ 95,508 |

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- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32157-110900 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32211-110900 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=109240241&loc=d3e32022-110900 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a-c) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 + Details
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