Prepaid and other current assets - Schedule of Prepaid and other current assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Prepaid Expense and Other Assets, Current [Abstract]
Vendor deposits	$ 5,894	$ 5,667
Vendor deposits with related party	1,504	520
Prepaid expense	710	1,251
Prepaid taxes	471	447
Deferred cost of revenue	611	666
Surety collateral	55	0
Other current assets	4,824	5,538
Total	$ 14,069	$ 14,089