Summary of Significant Accounting Policies - Summary of Numerators and Denominators in Calculation of Basic and Diluted Net (Loss) Income per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic loss per share computation:
Net Income (Loss)	$ (3,700)	$ (7,643)	$ (11,181)	$ (11,987)	$ (11,343)	$ (23,168)
Weighted average number of shares outstanding - basic	31,038,000		24,508,000		30,838,000	24,140,000
Net loss per share - basic	$ (0.12)		$ (0.46)		$ (0.37)	$ (0.96)
Diluted loss per share computation:
Net Income (Loss)	$ (3,700)	$ (7,643)	$ (11,181)	$ (11,987)	$ (11,343)	$ (23,168)
Change in fair value of pre-funded warrant liabilities						258
Net loss adjusted for change in fair value of warrant liabilities	$ (3,700)		$ (11,181)		$ (11,343)	$ (23,426)
Weighted-average shares used in computing net loss per share, basic	31,038,000		24,508,000		30,838,000	24,140,000
Dilutive effect of pre-funded warrants						237,000
Weighted average shares used to compute diluted net loss per share	31,038,000		24,508,000		30,838,000	24,377,000
Net loss per share - diluted	$ (0.12)		$ (0.46)		$ (0.37)	$ (0.96)