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Construction Backlog (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016
Construction Backlog [Abstract] |  |
Summary of backlog of signed engineering and project management contracts |
|  | March 31, 2017 |  |  | December 31, 2016 |
Balance – beginning of period |  | $ | 541,291 |  |  | $ | 105,851 |
New contracts and change orders during the period |  |  | 306,097 |  |  |  | 807,786 |
|  |  | 847,388 |  |  |  | 913,637 |
Less: contract revenue earned during the period |  |  | (84,635 | ) |  |  | (372,346 | )
|  |  | 762,753 |  |  |  | 541,291 |
Contracts signed but not started |  |  | - |  |  |  | - |
Balance – end of period |  | $ | 762,753 |  |  | $ | 541,291 |
|  |  | Successor 2016 |  |  | Predecessor 2015 |
| Balance - January 1 |  | $ | 105,851 |  |  | $ | 6,200 |
| New contracts and change orders during the period |  |  | 807,786 |  |  |  | 172,805 |
|  |  |  | 913,637 |  |  |  | 179,005 |
| Less: contract revenue earned during the period |  |  | (372,346 | ) |  |  | (73,154 | )
|  |  |  | 541,291 |  |  |  | 105,851 |
| Contracts signed but not started |  |  | - |  |  |  | - |
| Balance - December 31 |  | $ | 541,291 |  |  | $ | 105,851 |

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- Definition Schedule of backlog of signed engineering and project management contracts. + References No definition available. + Details
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