Stockholders' Equity - Summary of Estimated Fair Value of Stock Option Award (Detail)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Common stock options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate	0.00%
Volatility of common stock	0.00%
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
Common stock options [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate		3.80%	4.18%	3.80%
Expected option term		5 years 9 months 18 days	5 years 6 months	5 years 6 months
Volatility of common stock		105.80%	99.00%	105.80%
Common stock options [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate		3.90%	4.39%	4.50%
Expected option term		6 years	6 years	6 years
Volatility of common stock		106.60%	107.30%	107.10%
ESPP [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate	4.00%	4.90%		4.90%
Expected option term	6 months	6 months	6 months	6 months
Volatility of common stock	169.10%	91.50%		91.50%
Expected dividend yield	0.00%	0.00%	0.00%	0.00%
ESPP [Member] | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate			4.00%
Volatility of common stock			91.50%
ESPP [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk free interest rate			4.30%
Volatility of common stock			169.10%