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Stock-Based Awards (Tables) | 12 Months Ended
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Dec. 31, 2019
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:
|  | December 31, 2019 |
|  | Unrecognized Stock- Based Compensation |  |  | Average Remaining Vesting Period (Years) |
Employees and directors |  | $ | 15,190 |  |  |  | 1.61 |
Summary of Option Activity | A summary of option activity is as follows:
|  | Options |  |  | Weighted-Average Exercise Price |
Outstanding January 1, 2017 |  |  | 1,368,247 |  |  | $ | 2.82 |
Granted |  |  | — |  |  |  | — |
Forfeitures/expirations |  |  | — |  |  |  | — |
Exercised |  |  | (209,419 | ) |  |  | 3.17 |
Outstanding at December 31, 2017 |  |  | 1,158,828 |  |  | $ | 2.75 |
Granted |  |  | — |  |  |  | — |
Forfeitures/expirations |  |  | — |  |  |  | — |
Exercised |  |  | (588,291 | ) |  |  | 1.19 |
Outstanding at December 31, 2018 |  |  | 570,537 |  |  | $ | 4.36 |
Granted |  |  | — |  |  |  | — |
Forfeitures/expirations |  |  | (1 | ) |  |  | 6.50 |
Exercised |  |  | (85,000 | ) |  |  | 0.70 |
Outstanding at December 31, 2019 (1) |  |  | 485,536 |  |  | $ | 4.80 |
Summary of Information on Stock Options Outstanding | The following table summarizes information on stock options outstanding and exercisable at December 31, 2019:
|  | Options Outstanding and Exercisable |
Range of Exercise Prices |  | Shares |  |  | Weighted- Average Remaining Life (Years) |  |  | Weighted- Average Exercise Price |
$2.25 – $2.26 |  |  | 115,000 |  |  |  | 0.0 |  |  |  | 2.26 |
$5.05 |  |  | 250,000 |  |  |  | 0.9 |  |  |  | 5.05 |
$6.36 – $6.82 |  |  | 73,036 |  |  |  | 1.4 |  |  |  | 6.46 |
$7.01 – $7.30 |  |  | 47,500 |  |  |  | 1.8 |  |  |  | 7.07 |
|  |  | 485,536 |  |  |  | 0.9 |  |  | $ | 4.80 |
Summary of Restricted Stock Activity | A summary of activity is as follows:
|  | RSAs |  |  | RSUs |  |  | PRSUs |
|  | Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Shares |  |  | Weighted Average Grant Date Fair Value |
Unvested Balance at January 1, 2017 |  |  | 2,436,454 |  |  | $ | 13.58 |  |  |  | — |  |  | $ | — |  |  |  | — |  |  | $ | — |
Granted |  |  | 1,068,550 |  |  |  | 10.51 |  |  |  | 7,231 |  |  |  | 10.49 |  |  |  | — |  |  |  | — |
Vested |  |  | (1,641,870 | ) |  |  | 13.64 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Forfeited |  |  | (46,468 | ) |  |  | 12.36 |  |  |  | (1,553 | ) |  |  | 10.83 |  |  |  | — |  |  |  | — |
Unvested Balance at December 31, 2017 |  |  | 1,816,666 |  |  | $ | 11.75 |  |  |  | 5,678 |  |  | $ | 10.40 |  |  |  | — |  |  | $ | — |
Granted |  |  | 903,231 |  |  |  | 11.77 |  |  |  | 7,152 |  |  |  | 12.21 |  |  |  | — |  |  |  | — |
Vested |  |  | (618,516 | ) |  |  | 12.67 |  |  |  | (1,890 | ) |  |  | 10.40 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (144,279 | ) |  |  | 11.83 |  |  |  | (1,446 | ) |  |  | 11.97 |  |  |  | — |  |  |  | — |
Unvested Balance at December 31, 2018 |  |  | 1,957,102 |  |  | $ | 11.47 |  |  |  | 9,494 |  |  | $ | 11.52 |  |  |  | — |  |  | $ | — |
Granted |  |  | 2,794,703 |  |  |  | 6.16 |  |  |  | 35,283 |  |  |  | 6.45 |  |  |  | 270,872 | (1) |  |  | 6.24 |
Vested |  |  | (1,053,980 | ) |  |  | 11.25 |  |  |  | (5,499 | ) |  |  | 9.85 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (453,267 | ) |  |  | 9.09 |  |  |  | — |  |  |  | — |  |  |  | (38,262 | ) |  |  | 6.24 |
Unvested Balance at December 31, 2019 |  |  | 3,244,558 |  |  | $ | 7.29 |  |  |  | 39,278 |  |  | $ | 7.20 |  |  |  | 232,610 | (1) |  | $ | 6.24 |

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