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v3.21.2

Revenue (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2021 | Jun. 30, 2020
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Revenue | $ 9,301,950 | $ 4,205,068 | $ 6,962,065 | $ 7,265,515 | $ 12,124,438 | $ 6,191,300 | $ 7,286,674 | $ 5,923,819 | $ 27,734,598 | $ 31,526,231
ASC 606 [Member] |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Contract liabilities | 2,175,235 |  |  |  | $ 3,077,605 |  |  |  | 2,175,235 | 3,077,605
ASC 606 [Member] | Backlog [Member] |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets | $ 65,600,000 |  |  |  |  |  |  |  | 65,600,000 |
ASC 606 [Member] | Units Delivered [Member] |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | 22,973,507 | 25,739,709
ASC 606 [Member] | Milestones Achieved [Member] |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  |  | $ 4,761,091 | $ 5,786,522
ASC 606 [Member] | Forecast [Member] | Backlog [Member] |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |
Backlog amount to be recognized, 2022 | 58.00% |  |  |  |  |  |  |  | 58.00% |
Backlog amount to be recognized, 2023 | 27.00% |  |  |  |  |  |  |  | 27.00% |
Backlog amount to be recognized, 2024 | 13.00% |  |  |  |  |  |  |  | 13.00% |
Backlog amount to be recognized, thereafter | 2.00% |  |  |  |  |  |  |  | 2.00% |

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