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Proceeds Investment Agreement Obligation - Schedule of Proceeds Investment Agreement Activity (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Proceeds Investment Agreement Obligation        
Beginning balance as of December 31, 2019     $ 6,500,000  
Repayment of obligation     (1,250,000)  
Change in the fair value during the period $ (2,365,000) $ 177,000 (5,250,000) $ 3,275,000
Ending balance as of September 30, 2020