Supplemental Financial Information - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Disclosure of Accrued Expenses and Other Current Liabilities [Line Items]
Research and development	$ 2,031	$ 2,623
Bonuses and other employee liabilities	934	1,102
Legal	192	130
Professional fees	24
Other	101	204
Total accrued expenses and other current liabilities	$ 3,282	$ 4,059