Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Summary of Significant Accounting Policies [Abstract]

Schedule of disaggregation of revenues by categories

	Three Months Ended June 30,
Revenue by Customer Type	2019					2018
Multi-Family	$	41,319		6	%	$	210,814	9	%
Office		82,294		11	%		229,727	10	%
Retail		606,725		83	%		416,976	18	%
School		—		—	%		1,100,403	48	%
Special Use		—		—	%		330,965	14	%
Other		(2,430	)	—	%		16,912	1	%
Total revenue by customer type	$	727,908		100	%	$	2,305,797	100	%

	Six Months Ended June 30,
Revenue by Customer Type	2019					2018
Multi-Family	$	112,191		5	%	$	210,814	5	%
Office		1,207,897		49	%		593,356	15	%
Retail		1,137,384		46	%		531,920	14	%
School		—		—	%		1,860,238	48	%
Special Use		6,812		—	%		636,085	17	%
Other		(1,252	)	—	%		16,912	1	%
Total revenue by customer type	$	2,463,032		100	%	$	3,849,325	100	%

Schedule of estimated amortization expense of intangible assets

For the year ended December 31,
2019	$	72,562
2020		145,124
2021		145,124
2022		140,800
2023		139,007
Thereafter		1,728,750
	$	2,371,367