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Share-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Summary of share-based compensation expense | Share-based compensation expense was as follows:
| For the three months ended September 30, |  | For the nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Continuing operations |  |  |  |  |  |  |
Stock options, net of estimated forfeitures | $ | 72 |  |  | $ | 297 |  |  | $ | 349 |  |  | $ | 1,024 |
Restricted stock awards | 1,954 |  |  | 2,330 |  |  | 5,628 |  |  | 6,875 |
Total continuing operations | $ | 2,026 |  |  | $ | 2,627 |  |  | $ | 5,977 |  |  | $ | 7,899 |
Discontinued operations |  |  |  |  |  |  |
Share-based compensation expense for discontinued operations | 371 |  |  | 1,045 |  |  | 1,198 |  |  | 2,378 |
Total continuing and discontinued operations | $ | 2,397 |  |  | $ | 3,672 |  |  | $ | 7,175 |  |  | $ | 10,277 |

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