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Summary of Significant Accounting Policies (Details) - USD ($)		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 8,755,623	$ 2,984,835
Total revenue by customer type, percentage		100.00%	100.00%
Government Contract [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 751,697
Total revenue by customer type, percentage		9.00%
Hospitality [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 487,111
Total revenue by customer type, percentage		6.00%
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 126,222	$ 94,178
Total revenue by customer type, percentage		1.00%	3.00%
Medical (LAX lab testing) [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 4,241,500
Total revenue by customer type, percentage		49.00%
Medical (modular structures) [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 778,883
Total revenue by customer type, percentage		9.00%
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 191,505	$ 1,468,734
Total revenue by customer type, percentage		2.00%	49.00%
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 427,444	$ 1,413,669
Total revenue by customer type, percentage		5.00%	48.00%
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 36,500
Total revenue by customer type, percentage
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 1,414,761	$ 6,812
Total revenue by customer type, percentage		16.00%
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	[1]	$ 300,000	$ 1,442
Total revenue by customer type, percentage	[1]	3.00%
[1] Construction fee of $300,000 with no cost of revenue during 2020.

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Percentage, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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