Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 01, 2022	Dec. 31, 2021
Long-lived intangible assets
Long-lived intangible assets, Net	$ 203	$ 218
Patents and licenses
Long-lived intangible assets
Long-lived intangible assets, Gross Carrying Amount	9,279	9,315
Long-lived intangible assets, Accumulated Amortization	(9,076)	(9,097)
Long-lived intangible assets, Net	$ 203	$ 218