v3.25.4
Organization, Liquidity and Management's Plan, and Summary of Significant Accounting Policies - Schedule of Potentially Dilutive Securities Not Included in Calculation of Diluted Net Loss per Share (Detail) - shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded in calculation of diluted net loss per share 7,349,233 7,454,907 8,287,433
Restricted stock units [Member]      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded in calculation of diluted net loss per share 2,113,636 2,537,352 2,855,656
Common stock subject to repurchase [Member]      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded in calculation of diluted net loss per share 120,843 183,095 183,095
Common stock options [Member]      
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive securities excluded in calculation of diluted net loss per share 5,114,754 4,734,460 5,248,682