Geographic Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Geographic Information
Property and equipment, net	$ 3,717	$ 3,883
Revenue	63,765	59,985
United States
Geographic Information
Property and equipment, net	2,555	2,335
Revenue	14,599	14,585
Japan
Geographic Information
Revenue	12,216	12,442
Hong Kong
Geographic Information
Revenue	10,748	12,820
Germany
Geographic Information
Revenue	9,767	3,839
Singapore
Geographic Information
Property and equipment, net	1,077	1,459
Revenue	4,285	1,075
China
Geographic Information
Revenue	2,727	3,739
Canada
Geographic Information
Revenue	1,324	5,670
All other
Geographic Information
Property and equipment, net	85	89
Revenue	$ 8,099	$ 5,815