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Stock-Based Awards (Tables) | 6 Months Ended
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Jun. 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:
|  | June 30, 2021 |
|  | Unrecognized Stock-Based Compensation |  |  | Average Remaining Vesting Period (Years) |
Employees and directors |  | $ | 13,513 |  |  |  | 1.70 |
Summary of Stock-Based Compensation Activity | A summary of stock-based compensation award activity during the three months ended June 30, 2021 is as follows:
|  | Stock Options |  |  | RSAs |  |  | RSUs |  |  | PRSUs |
Balance at April 1, 2021 |  |  | 115,000 |  |  |  | 3,830,801 |  |  |  | 53,661 |  |  |  | 598,355 |
Granted |  |  | — |  |  |  | 93,750 |  |  |  | — |  |  |  | — |
Exercised/vested |  |  | (67,500 | ) |  |  | (653,936 | ) |  |  | — |  |  |  | — |
Forfeitures |  |  | — |  |  |  | (226,667 | ) |  |  | (452 | ) |  |  | (47,669 | )
Balance at June 30, 2021 |  |  | 47,500 |  |  |  | 3,043,948 |  |  |  | 53,209 |  |  |  | 550,686 |

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