Income taxes - Schedule of Provision for income tax benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Current taxes:
United States - State	$ (93)	$ (37)	$ (161)
Foreign	(416)	(683)	(850)
Total current taxes	(509)	(720)	(1,011)
Deferred taxes:
Federal	4,447	0	0
State	802	0	0
Foreign	381	286	292
Total deferred taxes	5,630	286	292
Income tax benefit (expense)	$ 5,121	$ (434)	$ (719)