|9 Months Ended|
Sep. 30, 2017
|Construction Backlog [Abstract]|
The following represents the backlog of signed construction and engineering contracts in existence at September 30, 2017 and December 31, 2016:
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.