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Fair Value Measurements - Schedule of Significant Unobservable Inputs (Details) - Fair Value, Measurements, Recurring - Warrant Liability - Level 3
12 Months Ended
Mar. 31, 2018
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]  
Probability of a successful equity financing 2.00%
Annualized equity volatility 73.40%
Risk-free interest rate 0.74%