Income taxes - Schedule of deferred tax assets and liability (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets
Stock-based compensation	$ 5,365	$ 3,833
R&D capitalization	4,559	3,968
Accrued compensation and benefits	2,502	1,950
Operating lease liabilities	577	636
Other	285	635
Total deferred tax assets	13,288	11,022
Deferred tax liabilities
Intangible assets	(12,751)	(6,908)
Operating lease right-of-use assets	(546)	(597)
Other	(131)	(373)
Total deferred tax liabilities	(13,428)	(7,878)
Net deferred taxes	$ (140)
Net deferred taxes		$ 3,144