Segment information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	$ 2,362
UNITED STATES
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	2,359
International [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total Revenue	$ 3

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