Enterprise-Wide Information - Property, Plant and Equipment, Net of Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 5,723	$ 9,478
United States
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	2,841	5,725
Korea
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	2,010	2,706
Japan
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	532	644
Canada
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	0	157
Germany
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	144	110
Other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 196	$ 136