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v3.20.1

Summary of Significant Accounting Policies (Details) | 3 Months Ended
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Mar. 31, 2020 USD ($) | Mar. 31, 2019 USD ($)
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type | $ 198,756 | $ 1,735,124
Total revenue by customer type, percentage | 100 | 1
Multi-Family [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type | $ 30,672 | $ 70,873
Total revenue by customer type, percentage | 15 | 0.04
Office [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type | $ 40,850 | $ 1,125,603
Total revenue by customer type, percentage | 21 | 0.65
Retail [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type | $ 121,070 | $ 530,659
Total revenue by customer type, percentage | 61 | 0.31
Special Use [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type |  | $ 6,812
Total revenue by customer type, percentage |  |
Other [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Total revenue by customer type | $ 6,164 | $ 1,177
Total revenue by customer type, percentage | 3 |

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