Balance Sheet Components - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash and Cash Equivalents [Line Items]
Depreciation and amortization expense	$ 924	$ 334
Cash	3,466		$ 3,262
Silicon Valley Bank
Cash and Cash Equivalents [Line Items]
Cash	$ 0		$ 900