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Stockholders' Equity - Schedule of common stock reserved for future issuance (Detail) - shares	Sep. 30, 2023	Apr. 01, 2023	Mar. 31, 2023
Schedule Of Common Stock Reserved For Future Issuance [Line Items]
Conversion of Series A preferred stock (in shares)	10,000		10,000
Stock options outstanding (in shares)	13,372,356		11,682,481
Equity awards available for future grants (in shares)	2,245,595		590,317
Total (in shares)	20,441,610	5,213,194	16,340,576
Restricted stock units outstanding
Schedule Of Common Stock Reserved For Future Issuance [Line Items]
Units outstanding (in shares)	4,613,965		4,057,778
Stock Options And Stock Options Not Vested
Schedule Of Common Stock Reserved For Future Issuance [Line Items]
Stock options outstanding (in shares)	13,572,050		11,682,481

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