Leases - Future Minimum Lease Payments Under Non-Cancellable Leases (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating Leases
Remainder of 2022	$ 669
2023	877
2024	894
2025	373
Total future minimum lease payments	2,813
Less imputed interest	(475)
Total	2,338	$ 2,505
Finance Leases
Remainder of 2022	111
2023	37
2024	0
2025	0
Total future minimum lease payments	148
Less imputed interest	(8)
Total	$ 140	$ 173