Debt - Summary of the Carrying Values of the Loan Agreement Borrowings (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Less: current portion of long term debt	$ (1,256)	$ 0
Long term debt, net	1,058	2,289
EB-5 Loan Agreement \| Loans payable
Debt Instrument [Line Items]
Principal outstanding	2,000	2,000
Plus: accrued interest	327	307
Less: unamortized debt issuance costs	(13)	(18)
Carrying value, net	2,314	2,289
Less: current portion of long term debt	(1,256)	0
Long term debt, net	$ 1,058	$ 2,289

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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