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Stock-Based Compensation (Tables) | 9 Months Ended
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Aug. 31, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Outstanding and Exercisable Stock Options | The following table summarizes stock option transactions for the nine months ended August 31, 2020:
| Options |  | Weighted Average Exercise Price
Options outstanding at beginning of period | 4,163,481 |  |  | $ | 13.00 |
Granted | — |  |  | — |
Exercised | (708,372 | ) |  | 11.77 |
Cancelled | (6,000 | ) |  | 45.16 |
Options outstanding at end of period | 3,449,109 |  |  | $ | 13.20 |
Options exercisable at end of period | 3,449,109 |  |  | $ | 13.20 |

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