Balance Sheet Components - Components of Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 681	$ 196
Less: Accumulated depreciation	(129)	(34)
Property and equipment, net	552	162
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	430	196
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, at cost	$ 251	$ 0