Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 2,984,835	$ 8,190,712
Total revenue by customer type, percentage	1	1
Multi-Family [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 94,178	$ 344,968
Total revenue by customer type, percentage	0.03	0.04
Office [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 1,468,734	$ 2,221,431
Total revenue by customer type, percentage	0.49	0.27
Retail [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 1,413,669	$ 2,332,654
Total revenue by customer type, percentage	0.48	0.29
School [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type		$ 2,697,451
Total revenue by customer type, percentage		0.33
Special Use [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 6,812	$ 559,755
Total revenue by customer type, percentage		0.07
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue by customer type	$ 1,442	$ 34,453
Total revenue by customer type, percentage