Leases - Summary Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]
Total operating lease cost	$ 400	$ 208	$ 1,202	$ 620
Cost of revenue
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]
Total operating lease cost	53	12	85	40
Research and development
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]
Total operating lease cost	129	153	462	458
Sales and marketing
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]
Total operating lease cost	22	9	51	26
General and administrative
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]
Total operating lease cost	$ 196	$ 34	$ 604	$ 96