Debt - Schedule of Debt (Details) - EB-5 Loan Agreement - Loans payable - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt
Principal outstanding	$ 2,500	$ 2,000
Plus: accrued interest	400	307
Less: unamortized debt issuance costs	(100)	(18)
Carrying value, net	$ 2,800	$ 2,289