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Contract Assets and Contract Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2020
Contract Assets and Contract Liabilities [Abstract] |
Summary of costs and estimated earnings on uncompleted contracts |
|  |  | 2020 |  |  | 2019 |
| Costs incurred on uncompleted contracts |  | $ | 622,745 |  |  | $ | 513,558 |
| Estimated earnings to date on uncompleted contracts |  |  | 178,553 |  |  |  | 127,032 |
| Gross contract assets |  |  | 801,298 |  |  |  | 640,590 |
| Less: billings to date |  |  | (938,319 | ) |  |  | (703,532 | )
| Net contract liabilities |  | $ | (137,021 | ) |  | $ | (62,942 | )
Summary of costs included in condensed consolidated balance sheets |
|  |  | 2020 |  |  | 2019 |
| Contract assets |  | $ | 11,830 |  |  | $ | 106,015 |
| Contract liabilities |  |  | (148,851 | ) |  |  | (168,957 | )
| Net contract liabilities |  | $ | (137,021 | ) |  | $ | (62,942 | )

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- Definition Tabular disclosure of long-term contract or program. + References No definition available. + Details
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