Enterprise-Wide Information - Property, Plant and Equipment, Net of Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 9,478	$ 9,842
United States
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	5,725	6,105
Korea
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	2,706	2,367
Japan
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	644	799
Canada
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	157	280
Germany
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	110	210
Other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 136	$ 81