Supplemental Financial Information - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Disclosure Of Prepaid Expenses And Other Current Assets [Line Items]
Research and development service agreements	$ 2,591	$ 432
Prepaid Insurance	1,514	5
Dues and subscriptions	96
Prepaid raw materials	83	91
Other	140	15
Total prepaid expenses and other current assets	$ 4,424	$ 543