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Segment Information (Geographic Information) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Revenue, net	$ 16,888	$ 17,552	$ 19,078	$ 16,628	$ 16,586	$ 15,196	$ 14,050	$ 9,270	$ 70,146	$ 55,102
Japan
Revenue, net									37,675	27,001
China
Revenue, net									25,570	23,977
U.S.
Revenue, net									3,442	1,624
Taiwan
Revenue, net									3,032	2,142
Korea
Revenue, net									277	116
Europe
Revenue, net									$ 150	$ 242

X

- Definition

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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