Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation of Financial Liabilities Measured at Fair Value (Details)

v3.19.3
Fair Value Measurements - Reconciliation of Financial Liabilities Measured at Fair Value (Details) - Warrant liability
$ in Thousands
6 Months Ended
Sep. 30, 2019
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 8,013
Ending balance 8,375
Level 3  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance 8,013
Ending balance 8,375
Level 3 | Warrant liability  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance 8,013
Change in fair value of convertible note embedded derivative liability 9,731
De-recognition on exercises (9,369)
Ending balance $ 8,375