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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Restricted Stock Units and Restricted Stock Activity | A summary of restricted stock unit activity is presented below:
|  | Units |  |  | Weighted- Average Grant-Date Fair Value |
Unvested as of January 1, 2020 |  |  | 476,667 |  |  | $ | 4.94 |
Granted |  |  | 206,750 |  |  |  | 2.99 |
Vested |  |  | (130,333 | ) |  |  | 5.48 |
Forfeited |  |  | (99,583 | ) |  |  | 3.22 |
Unvested as of December 31, 2020 |  |  | 453,501 |  |  |  | 4.11 |
Granted |  |  | 925,271 |  |  |  | 2.34 |
Vested |  |  | (318,547 | ) |  |  | 3.12 |
Forfeited |  |  | (119,391 | ) |  |  | 2.16 |
Unvested as of December 31, 2021 |  |  | 940,834 |  |  | $ | 2.77 |
A summary of restricted stock activity is presented below:
|  | Shares |  |  | Weighted- Average Grant-Date Fair Value |
Unvested as of January 1, 2020 |  |  | 32,000 |  |  | $ | 5.01 |
Vested |  |  | (14,500 | ) |  |  | 5.14 |
Forfeited |  |  | (5,000 | ) |  |  | 4.65 |
Unvested as of December 31, 2020 |  |  | 12,500 |  |  |  | 4.84 |
Vested |  |  | (12,500 | ) |  |  | 4.84 |
Unvested as of December 31, 2021 |  |  | — |  |  | $ | — |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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