Prepaid and other current assets - Schedule of Prepaid and other current assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Prepaid Expense and Other Assets, Current [Abstract]
Vendor deposits	$ 6,605	$ 5,667
Vendor deposits with related party	1,974	520
Prepaid expense	1,016	1,251
Prepaid taxes	545	447
Deferred cost of revenue	620	666
Surety collateral	7	0
Other current assets	4,202	5,538
Total	$ 14,969	$ 14,089