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Earn-out Milestone Liability (Tables) | 9 Months Ended
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Sep. 30, 2020
Hercules Warrant [Member] |
Schedule of Changes in Earn-out Milestone Liability | The following is a summary of the changes in the earn-out milestone liability for the nine-month period ended September 30, 2020:
Balance at January 1, 2020 |  | $ | 5,717,709 |
Non-cash loss from the change in fair value |  |  | 1,397,291 |
Balance at September 30, 2020 |  | $ | 7,115,000 |
Schedule of Risk Adjustment Assessment | The following is a schedule of the Company’s risk-adjustment assessment of each milestone:
Date |  | Risk-adjustment Assessment of Achieving each Milestone |  |  | Discount Rate |  |  | Estimated Time to Achieve |
September 30, 2020 |  |  | 80 | % |  |  | 9 | % |  | 0.38 to 1.38 years |
June 30, 2020 |  |  | 80 | % |  |  | 9 | % |  | 0.54 to 1.54 years |
December 31, 2019 |  |  | 80 | % |  |  | 9 | % |  | 1.12 to 2.12 years |
September 30, 2019 |  |  | 80 | % |  |  | 9 | % |  | 0.92 to 1.92 years |
June 30, 2019 |  |  | 80 | % |  |  | 9 | % |  | 0.75 to 1.75 years |
December 31, 2018 |  |  | 80 | % |  |  | 9 | % |  | 1.25 years |

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