Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 727,908	$ 2,305,797	$ 2,463,032	$ 3,849,325
Total revenue by customer type, percentage	100.00%	100.00%	100.00%	100.00%
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 41,319	$ 210,814	$ 112,191	$ 210,814
Total revenue by customer type, percentage	6.00%	9.00%	5.00%	5.00%
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 82,294	$ 229,727	$ 1,207,897	$ 593,356
Total revenue by customer type, percentage	11.00%	10.00%	49.00%	15.00%
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 606,725	$ 416,976	$ 1,137,384	$ 531,920
Total revenue by customer type, percentage	83.00%	18.00%	46.00%	14.00%
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 1,100,403		$ 1,860,238
Total revenue by customer type, percentage		48.00%		48.00%
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 330,965	$ 6,812	$ 636,085
Total revenue by customer type, percentage		14.00%		17.00%
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ (2,430)	$ 16,912	$ (1,252)	$ 16,912
Total revenue by customer type, percentage		100.00%		1.00%