Related Party Transactions - Summary of Activities with Affiliates of the Non Controlling Shareholders (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Related Party Transaction [Line Items]
Prepaid R&D expenses	$ 14	$ 55
Accounts payable	352	167
Accrued liabilities	99	250
Amounts paid	776	515
R&D expense recognized	$ 146	$ 520