Preferred Stock and Stockholders' Deficit - Summary of Common Stock Reserved for Future Issuance (Detail) - USD ($)	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Class Of Stock [Line Items]
Stock options issued and outstanding	12,035,764	8,738,880
Placement agent warrants issued and outstanding	$ 1,345,038
Common stock warrants issued and outstanding	$ 19,214,827
Unvested Shares Held By Sponsors	300,000
Authorized for future stock awards or option grants	2,398,279
Authorized for future issuances under the ESPP	1,524,183
Total	42,833,081
Public Warrants Issued and Outstanding
Class Of Stock [Line Items]
Class of Warrant or Right, Outstanding	5,833,323	5,833,323
Private Placement Warrants Issued and Outstanding
Class Of Stock [Line Items]
Class of Warrant or Right, Outstanding	181,667	181,667
Common Stock [Member]
Class Of Stock [Line Items]
Stock options issued and outstanding	12,035,764