Accrued expenses and other current liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investments, Debt and Equity Securities [Abstract]
Accrued expenses	$ 6,909	$ 3,128
Accrued taxes	562	975
Accrued compensation	3,800	5,080
Deferred revenue, current	661	548
Other	0	51
Total accrued expenses and other current liabilities	$ 11,932	$ 9,782