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Fair Value Measurements - Rollforward (Details) $ in Thousands | 6 Months Ended
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Sep. 30, 2018 USD ($)
Convertible note embedded derivative liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | $ 4,676
September 30, 2018 | 1,728
Warrant liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 3,980
September 30, 2018 | 1,484
Convertible note embedded derivative liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 4,676
September 30, 2018 | 1,728
Warrant liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 3,980
September 30, 2018 | 1,484
Level 3 | Convertible note embedded derivative liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 4,676
September 30, 2018 | 1,728
Level 3 | Convertible note embedded derivative liability | Convertible note embedded derivative liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 4,676
Change in fair value of convertible note embedded derivative liability | (2,572)
Derecognition on extinguishment or conversion | (376)
September 30, 2018 | 1,728
Level 3 | Warrant liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 3,980
September 30, 2018 | 1,484
Level 3 | Warrant liability | Warrant liability |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
March 31, 2018 | 3,980
Change in fair value of convertible note embedded derivative liability | (2,496)
September 30, 2018 | $ 1,484

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