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Construction Backlog | 9 Months Ended
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Sep. 30, 2017
Construction Backlog [Abstract] |
Construction Backlog |
11. | Construction Backlog
The following represents the backlog of signed construction and engineering contracts in existence at September 30, 2017 and December 31, 2016:
|  | September 30, 2017 |  |  | December 31, 2016 |
Balance – beginning of period |  | $ | 541,291 |  |  | $ | 105,851 |
New contracts and change orders during the period |  |  | 79,547,622 |  |  |  | 807,786 |
|  |  | 80,088,913 |  |  |  | 913,637 |
Less: contract revenue earned during the period |  |  | (3,001,279 | ) |  |  | (372,346 | )
|  |  | 77,087,634 |  |  |  | 541,291 |
Contracts signed but not started |  |  | - |  |  |  | - |
Balance – end of period |  | $ | 77,087,634 |  |  | $ | 541,291 |
Backlog at September 30, 2017 includes two large contracts entered into by the Company during the third quarter in the amounts of approximately $55 million and $15 million. The Company expects that all of this revenue will be realized by August 31, 2020.

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