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v3.21.2

Commitments and Contingencies (Details 3) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
2021 - remaining | $ 35,554 | $ 69,218
Grants Repayable [Member] |  |
2021 - remaining | 0 |
2022 | 46,138 |
2023 | 44,367 |
2024 | 19,253 |
2025 | 21,194 |
Greater than 5 years | 177,740 |
Total Grants Repayable | $ 308,692 |

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