Construction Backlog

6 Months Ended

Jun. 30, 2017

Construction Backlog [Abstract]

Construction Backlog

11. Construction Backlog

The following represents the backlog of signed construction and engineering contracts in existence at June 30, 2017 and December 31, 2016:

	June 30, 2017			December 31,  2016
Balance – beginning of period	$	541,291		$	105,851
New contracts and change orders during the period		10,797,426			807,786
		11,338,717			913,637
Less: contract revenue earned during the period		(1,606,328	)		(372,346	)
		9,732,389			541,291
Contracts signed but not started		-			-
Balance – end of period	$	9,732,389		$	541,291