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Leases - Schedule of Leases (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Assets
Operating lease assets	$ 1,618		$ 1,848
Total leased assets	1,618		1,848
Liabilities
Current - Operating	1,014		1,010
Noncurrent - Operating	760		1,007
Total leased liabilities	1,774		$ 2,017
Lease Cost
Net lease cost	$ 86	$ 192
Lease Term and Discount Rate
Weighted-average remaining lease term (years)	2 years 2 months 12 days		2 years 4 months 24 days
Weighted-average discount rate	6.40%		6.00%
SG&A and R&D Expenses [Member]
Lease Cost
Operating lease cost	$ 191	276
Sublease income	(108)	(87)
SG&A Expenses [Member]
Lease Cost
Short term lease cost	$ 3	$ 3

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