Fair Value Measurements and Marketable Securities - Additional Information (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Total cash	$ 700		$ 900
Fair Value, Liabilities of Level 2 to Level 1 Transfers Amount	0
Change in fair value of derivative liability	$ 0	$ 776