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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Apr. 30, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Summary of Intangible Assets | The following tables summarize the Company’s intangible assets as of April 30, 2021 and October 31, 2020 (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of April 30, 2021 |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
In-Process Research and Development | ​ | $ | 9,592 | ​ | $ | — | ​ | $ | 9,592
Bridgeport PPA | ​ | ​ | 12,320 | ​ | ​ | (2,594) | ​ | ​ | 9,726
Total | ​ | $ | 21,912 | ​ | $ | (2,594) | ​ | $ | 19,318
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
As of October 31, 2020 | ​ | Gross Amount | ​ | Accumulated Amortization | ​ | Net Amount
In-Process Research and Development | ​ | $ | 9,592 | ​ | $ | — | ​ | $ | 9,592
Bridgeport PPA | ​ | ​ | 12,320 | ​ | ​ | (1,945) | ​ | ​ | 10,375
Total | ​ | $ | 21,912 | ​ | $ | (1,945) | ​ | $ | 19,967

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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