Stock-Based Awards - Summary of Stock Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Stock Based Compensation	$ 528	$ 361	$ 1,217	$ 993
Research and Development [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Stock Based Compensation	178	103	321	202
General and Administrative [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total Stock Based Compensation	$ 350	$ 258	$ 896	$ 791