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Stockholders' Equity - Summary of Company's RSUs Activity and Performance Based Restricted Stock Unit Activity (Detail)
12 Months Ended
Mar. 31, 2021
$ / shares
shares
Restricted stock units (RSUs) [Member]  
Class Of Stock [Line Items]  
Beginning balance, Unvested, Number of Shares | shares 24,031
Granted, Number of Shares | shares 20,000
Vested, Number of Shares | shares (16,726)
Cancelled / forfeited, Number of Shares | shares (6,248)
Ending balance, Unvested, Number of Shares | shares 21,057
Beginning balance, Unvested, Weighted Average Price | $ / shares $ 38.93
Granted, Weighted Average Price | $ / shares 10.27
Vested, Weighted Average Price | $ / shares 45.35
Cancelled / forfeited, Weighted Average Price | $ / shares 24.79
Ending balance, Unvested, Weighted Average Price | $ / shares $ 10.79
Performance-Based Restricted Stock Units [Member]  
Class Of Stock [Line Items]  
Beginning balance, Unvested, Number of Shares | shares 197,644
Granted, Number of Shares | shares 0
Vested, Number of Shares | shares (185,415)
Cancelled / forfeited, Number of Shares | shares 0
Ending balance, Unvested, Number of Shares | shares 12,229
Beginning balance, Unvested, Weighted Average Price | $ / shares $ 10.24
Granted, Weighted Average Price | $ / shares 0
Vested, Weighted Average Price | $ / shares 10.27
Cancelled / forfeited, Weighted Average Price | $ / shares 0
Ending balance, Unvested, Weighted Average Price | $ / shares $ 9.80