Convertible Preferred Stock and Stockholders' Equity - Summary of Common Stock Reserved for Future Issuance (Detail) - shares	Jun. 30, 2025	Jan. 01, 2025	Dec. 31, 2024
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	7,415,165		4,862,998
Shares available for issuance under the pledge one percent commitement [Member]
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	84,556		84,556
2024 and 2020 equity incentive plan [Member]
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	3,100,622		1,820,868
Share-based payment arrangement, option [Member]
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	2,349,983		2,216,215
Restricted stock units (RSUs) [Member]
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	1,447,252		529,359
Shares available for issuance under the ESPP Plan [Member]
Disclosure In Tabular Form Of Common Stock Shares Reserved For Future Issuance [Line Items]
Common stock reserved for future issuance	432,752	242,916	212,000