Other Balance Sheet Components (Details 1) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other Balance Sheet Components
Total property, plant and equipment	$ 1,478	$ 707
Less: Accumulated depreciation	(244)	(160)
Total property, plant and equipment, net	1,235	547
Development mockups
Other Balance Sheet Components
Total property, plant and equipment	516	516
Leasehold improvements
Other Balance Sheet Components
Total property, plant and equipment	167	167
Construction in progress
Other Balance Sheet Components
Total property, plant and equipment	781	9
Computer hardware
Other Balance Sheet Components
Total property, plant and equipment	$ 15	$ 15