Stock-Based Compensation - Schedule of fair value assumptions (Detail) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Expected term, in years | 6 years 1 month 9 days | 6 years 1 month 9 days | 6 years 1 month 9 days | |
| Expected dividend yield | 0.00% | 0.00% | 0.00% | 0.00% |
| Minimum | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Risk-free interest rate | 3.85% | 1.17% | 2.74% | 0.80% |
| Expected term, in years | 6 years 10 days | |||
| Expected volatility | 89.37% | 86.74% | 87.12% | 82.92% |
| Maximum | ||||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||
| Risk-free interest rate | 4.21% | 1.36% | 4.21% | 1.36% |
| Expected term, in years | 6 years 1 month 9 days | |||
| Expected volatility | 92.43% | 87.78% | 92.43% | 91.15% |