Property and equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment
Total	$ 488	$ 468
Less accumulated depreciation	(291)	(191)
Property and equipment, net	197	277
Computer hardware and software
Property, Plant and Equipment
Total	238	226
Office equipment
Property, Plant and Equipment
Total	165	157
Leasehold improvements
Property, Plant and Equipment
Total	$ 85	$ 85