Supplemental information - Restructuring Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Restructuring Cost and Reserve [Line Items]
Total restructuring cost	$ 2,003	$ 6,231	$ 0
Restructuring costs paid during the period	5,455	2,753	0
Cost of revenues
Restructuring Cost and Reserve [Line Items]
Total restructuring cost	52	262	0
Research, development and clinical studies
Restructuring Cost and Reserve [Line Items]
Total restructuring cost	275	2,070	0
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Total restructuring cost	1,512	2,404	0
General and administrative
Restructuring Cost and Reserve [Line Items]
Total restructuring cost	$ 164	$ 1,495	$ 0