Disaggregation of Revenue - Schedule of Net Revenues Categorized by Customer Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue
Revenues from contracts with customers	$ 1,182	$ 1,468	$ 1,678	$ 4,733
United States
Disaggregation of Revenue
Revenues from contracts with customers	641	1,339	1,044	1,728
Taiwan
Disaggregation of Revenue
Revenues from contracts with customers	353		422
Germany
Disaggregation of Revenue
Revenues from contracts with customers	132	74	142	870
China
Disaggregation of Revenue
Revenues from contracts with customers	$ 56	$ 55	$ 70	135
South Korea
Disaggregation of Revenue
Revenues from contracts with customers				$ 2,000