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Summary of Significant Accounting Policies (Details 1)	3 Months Ended			9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	[1]	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	[1]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 2,082,825	$ 1,394,952		$ 5,932,150	$ 3,001,279
Total revenue by customer type, percentage	100	100		100	100
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 47,026			$ 257,840
Total revenue by customer type, percentage	2			4
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 445,992	$ 137,889		$ 1,039,348	$ 1,111,171
Total revenue by customer type, percentage	22	10		18	38
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 955,667	$ 92,535		$ 1,487,587	$ 312,999
Total revenue by customer type, percentage	46	7		25	10
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 602,641	$ 1,157,453		$ 2,462,880	$ 1,525,168
Total revenue by customer type, percentage	29	83		42	51
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 30,990	$ 2,159		$ 667,074	$ 9,208
Total revenue by customer type, percentage	1			11
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 509	$ 4,916		$ 17,421	$ 42,733
Total revenue by customer type, percentage					1
[1] Prior period amounts have not been adjusted for the adoption of ASC 606 under the modified retrospective method.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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