Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue:
Revenue	$ 2,984,835	$ 8,190,712
Cost of revenue:
Cost of revenue	2,307,488	7,647,979
Gross profit	677,347	542,733
Operating expenses:
Payroll and related expenses	2,392,587	2,166,212
General and administrative expenses	1,788,276	2,760,655
Marketing and business development expense	240,557	387,400
Pre-project expenses	21,286	74,629
Goodwill impairment	(2,938,653)
Total	7,381,359	5,388,896
Operating loss	(6,704,012)	(4,846,163)
Other income (expense):
Interest expense	(178,995)
Interest income		4
Other income	14,506	5,764
Loss on asset disposal	52,039
Loss from equity affiliates		(3,626)
Total	(216,528)	2,142
Loss before income taxes	(6,920,540)	(4,844,021)
Income tax expense
Net loss	$ (6,920,540)	$ (4,844,021)
Net loss per share - basic and diluted:
Basic and diluted	$ 22.85	$ (22.74)
Weighted average shares outstanding:
Basic and diluted	302,844	213,002
Blocks sales
Revenue:
Revenue		$ 57,522
Cost of revenue:
Cost of revenue		44,112
Construction services
Revenue:
Revenue	2,808,981	7,306,654
Cost of revenue:
Cost of revenue	2,238,535	6,985,439
Engineering services
Revenue:
Revenue	175,854	826,536
Cost of revenue:
Cost of revenue	$ 68,953	$ 618,428