Construction Backlog (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Construction Backlog [Abstract]
Balance - beginning of period	$ 17,634,261	$ 97,657,379
New contracts and change orders during the period	73,838	17,659,053
Adjustments and cancellations, net	27,370	(94,697,336)
Subtotal	17,680,729	20,619,096
Less: contract revenue earned during the period	(198,756)	(2,984,835)
Balance - end of period	$ 17,481,973	$ 17,634,261