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v3.20.2

Construction Backlog (Details 1) | Sep. 30, 2020 USD ($)
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Total Backlog | $ 24,865,499
Within 1 year [Member] |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Total Backlog | 12,009,249
1 to 2 years [Member] |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Total Backlog | $ 12,856,250

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