Enterprise-Wide Information - Property, Plant and Equipment, Net of Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 9,842	$ 7,146
US
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	6,105	2,878
Korea
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	2,367	2,472
Japan
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	799	952
Canada
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	280
Germany
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	210	761
Other
Property, Plant and Equipment [Line Items]
Property, plant and equipment, net	$ 81	$ 83