Segment Information - Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenue, net	$ 9,966	$ 16,628
Japan
Revenue, net	5,559	7,399
China
Revenue, net	3,926	7,131
Taiwan
Revenue, net	421	1,164
United States
Revenue, net	60	858
Europe
Revenue, net	$ 0	$ 76

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details