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Stockholders' Equity - Stock-based Compensation Expense and Valuation Information - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Class Of Stock [Line Items] |  |
Total unrecognized compensation cost related to unvested stock option grants | $ 2.3 |
Expected term | 6 years | 6 years
Stock options [Member] |  |
Class Of Stock [Line Items] |  |
Total unrecognized compensation cost related, weighted average period | 2 years 10 days |
Restricted stock units (RSUs) [Member] |  |
Class Of Stock [Line Items] |  |
Total unrecognized compensation cost related, weighted average period | 1 year 2 months 8 days |
Unrecognized stock-based compensation expense | $ 0.1 |

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