Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances for Liabilities Measured at Fair Value on Recurring Basis (Details)

v3.20.2
Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances for Liabilities Measured at Fair Value on Recurring Basis (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
Warrant liability  
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Beginning balance $ 18,396
Gain adjustment to fair value (16,114)
Ending balance 2,282
Derivative liabilities  
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Beginning balance 3,192
Bifurcated embedded conversion option associated with April 2020 Notes 8,110
Adjustment for partial conversion of April 2020 Notes (1,612)
Gain adjustment to fair value (7,084)
Ending balance $ 2,606