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Unbilled Receivables (Tables) | 6 Months Ended
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Jul. 03, 2022
Contractors [Abstract] |
Schedule of Unbilled Receivables | Unbilled receivables consisted of the following:
| July 3, 2022 |  | December 31, 2021
Unbilled revenue | $ | 36,712 |  |  | $ | 39,566 |
Advances and progress billings | (28,893) |  |  | (31,068) |
Net unbilled receivables | $ | 7,819 |  |  | $ | 8,498 |

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