Summary of Significant Accounting Policies (Details 1)	3 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	1	1
Total revenue by customer type	$ 1,735,124	$ 1,543,526
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.04
Total revenue by customer type	$ 70,873
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.65	0.24
Total revenue by customer type	$ 1,125,603	$ 363,629
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.31	0.07
Total revenue by customer type	$ 530,659	$ 114,944
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage		0.49
Total revenue by customer type		$ 759,835
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage		0.20
Total revenue by customer type	$ 6,812	$ 305,118
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage
Total revenue by customer type	$ 1,177