Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Warrants (Details)

v3.20.1
Fair Value Measurement - Warrants (Details) - Warrant
3 Months Ended
Mar. 31, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Fair value, liability, beginning balance $ 16,335,000
Fair value of new warrants issued 0
Change in fair value for the period (9,145,000)
Fair value, liability, ending balance $ 7,190,000