Supplemental Financial Information - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Supplemental Financial Information [Abstract]
Prepaid insurance	$ 1,106	$ 1,514
Research and development service agreements	1,077	2,591
Prepaid raw materials	199	83
Dues and subscriptions	105	96
Other	237	140
Total prepaid expenses and other current assets	$ 2,724	$ 4,424