Organization - Additional Information (Detail) - USD ($) $ in Thousands	Aug. 14, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Strategic advisor name	Cantor
Cash, cash equivalents and restricted cash		$ 6,062	$ 52,996	$ 76,054
Accumulated deficit		$ (915,767)	$ (880,627)
Common stock, shares outstanding		16,012,522	16,027,384
Common Stock [Member]
Common stock, shares outstanding		16,012,522
Common stock reserved for future issuance		1,918,297