Concentration of Risk, Segment and Geographic Information - Revenue by Geographical Region (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers
Revenues	$ 6,027	$ 38,160
United States
Revenues from External Customers
Revenues	4,477	2,610
Asia Pacific
Revenues from External Customers
Revenues	$ 1,550	550
Europe
Revenues from External Customers
Revenues		$ 35,000

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