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v3.22.0.1

Revenue (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Revenue | $ 7,458,050 | $ 6,962,065 | $ 15,003,482 | $ 14,227,580 |
ASC 606 [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Contract liabilities | 2,904,746 |  | 2,904,746 |  | $ 3,077,605
ASC 606 [Member] | Units Delivered [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Revenue | 6,100,228 | 5,865,878 | 12,592,464 | 11,724,584 |
ASC 606 [Member] | Milestones Achieved [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Revenue | 1,357,822 | $ 1,096,187 | 2,411,018 | $ 2,502,996 |
ASC 606 [Member] | Backlog [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Intangible assets | $ 70,100,000 |  | $ 70,100,000 |  |
Percentage of estimated shipments |  |  | 30% in 2022; 43% in 2023; 21% in 2024, and 6% thereafter |  |

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