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Benefit Plans (Tables) | 12 Months Ended
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Oct. 31, 2022
Benefit Plans |
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): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended October 31,
​ |  | 2022 |  | 2021 | ​ | 2020
Cost of revenues | ​ | $ | 706 | ​ | $ | 493 | ​ | $ | 344
Administrative and selling expense | ​ | ​ | 5,418 | ​ | ​ | 3,593 | ​ | ​ | 1,424
Research and development expense | ​ | ​ | 456 | ​ | ​ | 111 | ​ | ​ | 54
​ | ​ | $ | 6,580 | ​ | $ | 4,197 | ​ | $ | 1,822
Summary of Stock Option Activity | The following table summarizes our stock option activity for the year ended October 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | Weighted- Average |  |  | ​
Options | ​ | Option Shares | ​ | Price
Outstanding as of October 31, 2021 |  | 22,388 | ​ | $ | 78.21
Cancelled and forfeited |  | (2,157) | ​ | $ | 184.32
Outstanding as of October 31, 2022 |  | 20,231 | ​ | $ | 66.90
Summary of Information about Stock Options Outstanding and Exercisable | The following table summarizes information about stock options outstanding and exercisable as of October 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Options Outstanding |  | Options Exercisable
​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Average | ​ | Weighted | ​ | ​ | ​ | Weighted
​ |  | ​ |  | Remaining |  | Average | ​ | ​ | ​ | Average
Range of |  | Number |  | Contractual |  | Exercise |  | Number |  | Exercise
Exercise Prices |  | outstanding |  | Life |  | Price |  | exercisable |  | Price
$18.00 - $77.28 |  | 15,217 |  | 4.6 | ​ | $ | 26.89 |  | 15,217 | ​ | $ | 26.89
$77.29 - $348.48 |  | 5,014 |  | 1.5 | ​ | $ | 188.31 |  | 5,014 | ​ | $ | 188.31
​ |  | 20,231 |  | 4.0 | ​ | $ | 66.90 |  | 20,231 | ​ | $ | ​
Summary of RSA and RSU Activity | The following table summarizes our RSU and PSU activity for the year ended October 31, 2022: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
Restricted Stock Units |  | ​ | Shares |  | Weighted-Average Fair Value
Outstanding as of October 31, 2021 | ​ | ​ | 2,543,541 | ​ | $ | 5.08
Granted - PSUs | ​ | ​ | 188,592 | ​ | ​ | 10.98
Granted - time-vesting RSUs | ​ | ​ | 833,512 | ​ | ​ | 7.66
Vested | ​ | ​ | (934,668) | ​ | ​ | 1.97
Forfeited | ​ | ​ | (110,096) | ​ | ​ | 8.55
Outstanding as of October 31, 2022 | ​ | ​ | 2,520,881 | ​ | $ | 7.93

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