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Benefit Plans (Tables) | 6 Months Ended
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Apr. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Share-Based Compensation Reflected in Consolidated Statement of Operations and Comprehensive Loss | Share-based compensation was reflected in the Consolidated Statements of Operations and Comprehensive Loss as follows (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Three months Ended April 30, | ​ | Six months Ended April 30,
​ |  | ​ | 2021 |  | ​ | 2020 | ​ | 2021 |  | 2020
Cost of revenues | ​ | $ | 141 | ​ | $ | 105 | ​ | $ | 318 | ​ | $ | 222
General and administrative expense | ​ | ​ | 1,054 | ​ | ​ | 242 | ​ | ​ | 2,237 | ​ | ​ | 581
Research and development expense | ​ | ​ | 31 | ​ | ​ | 14 | ​ | ​ | 63 | ​ | ​ | 35
​ | ​ | $ | 1,226 | ​ | $ | 361 | ​ | $ | 2,618 | ​ | $ | 838
Summary of RSA and RSU Activity | The following table summarizes our RSA and RSU activity for the six months ended April 30, 2021:
​ | ​ | ​ | ​ | ​ | ​ | ​
Restricted Stock Awards and Units |  | ​ | Shares |  | Weighted-Average Fair Value
Outstanding as of October 31, 2020 | ​ | ​ | 2,067,140 | ​ | $ | 5.06
Granted - performance units | ​ | ​ | 551,252 | ​ | ​ | 14.89
Granted - time-vesting restricted stock units | ​ | ​ | 296,826 | ​ | ​ | 3.28
Vested | ​ | ​ | (221) | ​ | ​ | 20.40
Outstanding as of January 31, 2021 | ​ | ​ | 2,914,997 | ​ | $ | 5.46
Granted - time-vesting restricted stock units | ​ | ​ | 37,550 | ​ | ​ | 11.05
Vested | ​ | ​ | (81,878) | ​ | ​ | 13.13
Forfeited | ​ | ​ | (53,532) | ​ | ​ | 10.86
Outstanding as of April 30, 2021 | ​ | ​ | 2,817,137 | ​ | $ | 5.24

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