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Prepaid Expenses and Other Assets (Tables) | 9 Months Ended
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Sep. 30, 2020
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Summary of Prepaid Expenses and Other Assets | Prepaid expenses and other assets consist of the following (in thousands):
|  | September 30, 2020 |  |  | December 31, 2019 |
Revenues in excess of billings |  | $ | 8,838 |  |  | $ | 8,282 |
Prepaid expenses |  |  | 6,407 |  |  |  | 6,664 |
Contract retainage |  |  | 2,277 |  |  |  | 1,832 |
Income tax receivable |  |  | — |  |  |  | 2,675 |
Other |  |  | 300 |  |  |  | 350 |
Total prepaid expenses and other assets |  | $ | 17,822 |  |  | $ | 19,803 |

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