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Stock-Based Compensation - Schedule of fair value assumptions (Detail)
3 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term, in years 6 years 1 month 9 days  
Expected dividend yield 0.00% 0.00%
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 2.74% 0.94%
Expected term, in years   6 years 10 days
Expected volatility 87.12% 82.92%
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 3.19% 1.07%
Expected term, in years   6 years 1 month 9 days
Expected volatility 88.06% 84.33%