Summary of Significant Accounting Policies (Details 1)	12 Months Ended
	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	1	1
Total revenue by customer type	$ 8,190,712	$ 5,061,585
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.04
Total revenue by customer type	$ 344,968
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.27	0.28
Total revenue by customer type	$ 2,221,431	$ 1,384,967
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.29	0.10
Total revenue by customer type	$ 2,332,654	$ 514,428
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.33	0.62
Total revenue by customer type	$ 2,697,451	$ 3,122,035
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage	0.07
Total revenue by customer type	$ 559,755	$ 22,838
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type, percentage
Total revenue by customer type	$ 34,453	$ 17,317