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Construction Backlog (Tables)

3 Months Ended

Mar. 31, 2018

Construction Backlog [Abstract]

Schedule of backlog of signed construction and engineering contracts

		March 31, 2018				December 31, 2017
Balance – beginning of period		$	76,659,029			$	541,291
New contracts and change orders during the period			27,727,734				81,179,323
			104,386,763				81,720,614
Less: contract revenue earned during the period			(1,543,526	)			(5,061,585	)
Balance – end of period		$	102,843,237			$	76,659,029