Consolidated Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 1,735	$ 2,294
Less: accumulated depreciation and amortization	(226)	(115)
Property, plant and equipment, net	1,509	2,179
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	804	1,460
Computer and other equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	416	407
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	371	306
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 144	$ 121