Summary of Significant Accounting Policies (Details 1)	3 Months Ended			6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	[1]	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	[1]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 2,305,797	$ 1,001,734		$ 3,849,325	$ 1,606,327
Total revenue by customer type, percentage	100	100		100	100
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 210,814			$ 210,814
Total revenue by customer type, percentage	9			5
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 229,727	$ 602,877		$ 593,356	$ 973,281
Total revenue by customer type, percentage	10	60		15	61
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 416,976	$ 33,055		$ 531,920	$ 220,464
Total revenue by customer type, percentage	18	3		14	14
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 1,100,403	$ 350,576		$ 1,860,238	$ 367,716
Total revenue by customer type, percentage	48	35		48	23
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 330,965	$ 6,624		$ 636,085	$ 7,049
Total revenue by customer type, percentage	14	1		17
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 16,912	$ 8,602		$ 16,912	$ 37,817
Total revenue by customer type, percentage	1	1		1	2

[1] Prior period amounts have not been adjusted for the adoption of ASC 606 under the modified retrospective method.