Construction Backlog (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Construction Backlog [Abstract]
Balance - beginning of period	$ 17,634,261	$ 97,657,379
New contracts and change orders during the period	514,041	17,659,053
Adjustments and cancellations, net	(27,370)	(94,697,336)
Subtotal	18,120,932	20,619,096
Less: contract revenue earned during the period	827,705	2,984,835
Balance - end of period	$ 17,293,227	$ 17,634,261