Balance Sheet Components - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cash and Cash Equivalents [Line Items]
Depreciation and amortization expense	$ 1,100	$ 400	$ 2,019	$ 757
Cash	2,951		2,951		$ 3,262
Silicon Valley Bank
Cash and Cash Equivalents [Line Items]
Cash	$ 0		$ 0		$ 900