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Earn-out Milestone Liability (Tables) | 3 Months Ended
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Mar. 31, 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 three-month period ended March 31, 2020:
Balance at January 1, 2020 |  | $ | (5,717,709 | )
Non-cash loss from the change in fair value |  |  | (41,274 | )
Balance at March 31, 2020 |  | $ | (5,758,983 | )
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
March 31, 2020 |  |  | 80 | % |  |  | 9 | % |  | 1.04 to 2.04 years
December 31, 2019 |  |  | 80 | % |  |  | 9 | % |  | 1.12 to 2.12 years
March 31, 2019 |  |  | 80 | % |  |  | 9 | % |  | 1.00 to 2.00 years
December 31, 2018 |  |  | 80 | % |  |  | 9 | % |  | 1.25 years

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