Stock Plans - Summary of Fair Value Assumptions of Stock Purchase Plan (Detail) - Employee Stock Purchase Plan [Member]	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	6 months	6 months
Expected volatility, minimum	105.00%	71.00%
Risk-free interest rate, minimum	4.70%	0.10%
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected term (in years)	2 years	2 years
Expected volatility, maximum	115.00%	101.00%
Risk-free interest rate, maximum	5.20%	4.80%