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Stock-Based Compensation - Schedule of Estimated Fair Value Assumptions Using Black Scholes Option-Pricing Model (Details)
3 Months Ended
Jun. 30, 2020
$ / shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Expected term (in years) 6 years 1 month 9 days
Expected volatility 89.50%
Risk-free interest rate 0.48%
Fair value of common stock $ 4.60