Accrued Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Liabilities Current [Abstract]
Accrued clinical	$ 2,533	$ 2,507
Accrued contract manufacturing	1,223	2,287
Accrued professional fees	1,423	1,948
Accrued bonus	976	1,465
Accrued other - sales related	514
Accrued other	668	496
Total accrued liabilities	$ 7,337	$ 8,703