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Revenue (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Changes in Contract Assets and Contract Liabilities | The following table reflects the changes in our contract assets and contract liabilities balances for the three months ended March 31, 2021 (in thousands):
| March 31, 2021 |  | December 31, 2020 |  | Increase
|  |  | $ |  | %
Accrued revenue | $ | 1,132 |  |  | $ | 1,687 |  |  |  |  |
Costs and estimated profits in excess of billings | 9,373 |  |  | 8,516 |  |  |  |  |
Contract assets | $ | 10,505 |  |  | $ | 10,203 |  |  | $ | 302 |  |  | 3 | %
Deferred revenue | $ | 8,240 |  |  | $ | 7,863 |  |  |  |  |
Billings in excess of costs and profits recognized | 2,621 |  |  | 1,817 |  |  |  |  |
Contract liabilities | $ | 10,861 |  |  | $ | 9,680 |  |  | $ | 1,181 |  |  | 12 | %

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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