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v3.21.1

Construction Backlog (Details Textual) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 USD ($) Item | Sep. 30, 2020 USD ($) Item | Dec. 31, 2019 USD ($) | Sep. 30, 2019 USD ($) Item | Jun. 30, 2019 USD ($) | Dec. 31, 2020 USD ($) Item
Construction Backlog (Textual) |  |  |  |  |  |
Total Backlog | $ 25,117,461 |  |  |  |  | $ 25,117,461
Construction backlog contract amount |  |  | $ 2,400,000 |  | $ 25,000,000 | $ 17,000,000
Number of large contracts | Item | 3 | 2 |  | 2 |  | 1
Contract Two [Member] |  |  |  |  |  |
Construction Backlog (Textual) |  |  |  |  |  |
Construction backlog contract amount | $ 800,000 | $ 2,950,000 |  |  |  |
Contract One [Member] |  |  |  |  |  |
Construction Backlog (Textual) |  |  |  |  |  |
Construction backlog contract amount | 2,700,000 | $ 4,000,000 |  |  |  |
Contract Three [Member] |  |  |  |  |  |
Construction Backlog (Textual) |  |  |  |  |  |
Construction backlog contract amount | $ 700,000 |  |  |  |  |
Exclusive License Agreement Member | Contract Two [Member] |  |  |  |  |  |
Construction Backlog (Textual) |  |  |  |  |  |
Construction backlog contract amount |  |  |  | $ 15,000,000 |  |
Exclusive License Agreement Member | Contract One [Member] |  |  |  |  |  |
Construction Backlog (Textual) |  |  |  |  |  |
Construction backlog contract amount |  |  |  | $ 55,000,000 |  |

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