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v3.20.1

Contract Assets and Contract Liabilities (Tables) | 3 Months Ended
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Mar. 31, 2020
Contract Assets and Contract Liabilities [Abstract] |
Summary of costs and estimated earnings on uncompleted contracts |
|  |  | 2020 |  |  | 2019 |
| Costs incurred on uncompleted contracts |  | $ | 412,479 |  |  | $ | 513,558 |
| Estimated earnings to date on uncompleted contracts |  |  | 131,934 |  |  |  | 127,032 |
| Gross contract assets |  |  | 544,413 |  |  |  | 640,590 |
| Less: billings to date |  |  | (668,959 | ) |  |  | (703,532 | )
| Net contract assets (liabilities) |  | $ | (124,546 | ) |  | $ | (62,942 | )
Summary of costs included in condensed consolidated balance sheets |
|  |  | 2020 |  |  | 2019 |
| Contract assets |  | $ | 12,660 |  |  | $ | 106,015 |
| Contract liabilities |  |  | (137,206 | ) |  |  | (168,957 | )
| Net contract assets (liabilities) |  | $ | (124,546 | ) |  | $ | (62,942 | )

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- Definition Tabular disclosure for billings on uncompleted contracts in excess of costs and costs of uncompleted contracts in excess of billings. + References No definition available. + Details
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