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Stock-based Compensation - Summary of Grant-date Fair Value of Stock Options Granted and Assumptions Used Binomial Models (Details) - $ / shares
9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement [Abstract]    
Grant-date fair value $ 3.25
Volatility factor 55.26%
Dividend yield
Risk-free interest rate 2.91%
Expected term (in years) 0 years 6 years 2 months 30 days