v3.25.4
Equity-based Compensation and Equity Incentive Plans - Schedule of Weighted Average Assumption Used Black-Scholes Option-pricing Model for Stock Options Issued to Employees and Non-employees (Detail) - Employees and Nonemployees - 2015 and 2017 Plan
12 Months Ended
Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term 5 years 7 months 6 days
Weighted-average, risk-free interest rate 3.90%
Expected volatility 92.00%
Dividend yield 0.00%