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Prepaid Expenses and Other Assets (Tables) | 6 Months Ended
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Jun. 30, 2020
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Summary of Prepaid Expenses and Other Assets | Prepaid expenses and other assets consist of the following (in thousands):
|  | June 30, 2020 |  |  | December 31, 2019 |
Revenues in excess of billings |  | $ | 7,999 |  |  | $ | 8,282 |
Prepaid expenses |  |  | 8,762 |  |  |  | 6,664 |
Contract retainage |  |  | 2,097 |  |  |  | 1,832 |
Income tax receivable |  |  | 53 |  |  |  | 2,675 |
Other |  |  | 605 |  |  |  | 350 |
Total prepaid expenses and other assets |  | $ | 19,516 |  |  | $ | 19,803 |

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