Other current liabilities - Schedule of Other current liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other Liabilities Disclosure [Abstract]
Social security and other taxes	$ 695	$ 280
Employee taxes on PSU vesting to be remitted	1,602	0
Deferred consideration liability	276	711
Equity issuance costs payable	804	0
Other current liabilities	58	30
Total	$ 3,435	$ 1,021