Accrued Expenses and Other Current Liabilities - Schedule of accrued expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Payables and Accruals [Abstract]
Accrued payroll	$ 878	$ 1,300
Accrued expenses and taxes	2,798	375
Deferred revenue	367	525
Warranty reserve	23	65
Total accrued expenses and other current liabilities	4,066	$ 2,265
Accrual for contractual liabilities from production cancellations	$ 2,200