Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Summary of Significant Accounting Policies [Abstract]

Schedule of disaggregation of revenues by categories

	Three Months Ended September 30,
Revenue by Customer Type	2019					2018
Multi-Family	$	(18,013	)	—	%	$	47,026	2	%
Office		4,424		2	%		445,992	22	%
Retail		195,421		97	%		955,667	46	%
School		—		—	%		602,641	29	%
Special Use		—		—	%		30,990	1	%
Other		2,694		1	%		509	—	%
Total revenue by customer type	$	184,526		100	%	$	2,082,825	100	%

	Nine Months Ended September 30,
Revenue by Customer Type	2019				2018
Multi-Family	$	94,178	4	%	$	257,840	4	%
Office		1,212,321	46	%		1,039,348	18	%
Retail		1,332,805	50	%		1,487,587	25	%
School		—	—	%		2,462,880	42	%
Special Use		6,812	—	%		667,074	11	%
Other		1,442	—	%		17,421	—	%
Total revenue by customer type	$	2,647,558	100	%	$	5,932,150	100	%

Schedule of estimated amortization expense of intangible assets

For the year ended December 31,
2019	$	36,281
2020		145,124
2021		145,124
2022		140,801
2023		139,007
Thereafter		1,728,749
	$	2,335,086