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Earn-out Milestone Liability (Tables)

12 Months Ended

Dec. 31, 2019

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 2018 and 2019:

Balance at January 1, 2018		$	12,538,525
Non-cash gain from the adjustment for the change in fair value included in 2018 net loss			(3,630,861	)
Balance at December 31, 2018			8,907,664
Non-cash gain from the adjustment for the change in fair value included in 2019 net loss			(3,189,955	)
Balance at December 31, 2019		$	5,717,709

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The disclosure of transactions regarding the changes in earn-out liabilities during the period.

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