Cash, Cash Equivalents and Investments - Summary of Cash in Foreign Accounts (Detail) - Cash [Member] - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Cash And Cash Equivalents [Line Items]
Cash in foreign accounts	$ 4,582	$ 4,540
China [Member]
Cash And Cash Equivalents [Line Items]
Cash in foreign accounts	2,739	2,672
Sweden [Member]
Cash And Cash Equivalents [Line Items]
Cash in foreign accounts	$ 1,843	$ 1,868