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Stock-Based Awards (Tables) | 9 Months Ended
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Sep. 30, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period | A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:
|  | September 30, 2021 |
|  | Unrecognized Stock- Based Compensation |  |  | Average Remaining Vesting Period (Years) |
Employees and directors |  | $ | 11,362 |  |  |  | 1.48 |
Summary of Stock-Based Compensation Activity | A summary of stock-based compensation award activity during the three months ended September 30, 2021 is as follows:
|  | Stock Options |  |  | RSAs |  |  | RSUs |  |  | PRSUs |
Balance at July 1, 2021 |  |  | 47,500 |  |  |  | 3,043,948 |  |  |  | 53,209 |  |  |  | 550,686 |
Granted |  |  | — |  |  |  | 47,393 |  |  |  | — |  |  |  | — |
Exercised/vested |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeitures |  |  | — |  |  |  | (11,396 | ) |  |  | — |  |  |  | — |
Balance at September 30, 2021 |  |  | 47,500 |  |  |  | 3,079,945 |  |  |  | 53,209 |  |  |  | 550,686 |

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