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Restricted Stock, Stock Options and Other Stock Plans (Tables) | 6 Months Ended
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Jun. 30, 2020
Share-based Payment Arrangement [Abstract] |
Summary of Consolidated Balance Sheets and Statements of Operations Line Items for Stock-Based Compensation | The following table reflects the statements of operations line items for stock-based compensation for the periods presented:
| Three Months Ended June 30, |  |  |  | Six Months Ended June 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Cost of sales - Real Estate Services | $ | — |  |  | $ | 27 |  |  | $ | — |  |  | $ | 38 |
Expense - General and administrative | 204 |  |  | 95 |  |  | 417 |  |  | 168 |
| $ | 204 |  |  | $ | 122 |  |  | $ | 417 |  |  | $ | 206 |

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