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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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Related Party Transactions - Schedule of Related Party Notes Payable (Details) - Related Party - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jan. 31, 2024	Nov. 30, 2023
Related Party Transaction [Line Items]
Net Carrying Value	$ 7,563	$ 8,064
Related party notes payable, current	4,342	5,310
Related party notes payable, long-term	$ 3,221	$ 2,754
2025 March Unsecured SPA Notes
Related Party Transaction [Line Items]
Contractual Interest Rates	10.00%
Net Carrying Value	$ 1,463
2023 Unsecured Convertible Note
Related Party Transaction [Line Items]
Contractual Interest Rates		4.27%
Net Carrying Value		$ 1,364
Notes Payable — China
Related Party Transaction [Line Items]
Contractual Interest Rates	18.00%	18.00%
Net Carrying Value	$ 4,271	$ 4,382
Notes Payable on Demand — China
Related Party Transaction [Line Items]
Contractual Interest Rates	0.00%	0.00%
Net Carrying Value	$ 419	$ 417
FFGP Note
Related Party Transaction [Line Items]
Contractual Interest Rates	4.27%	4.27%
Net Carrying Value	$ 1,250	$ 1,576	$ 1,600	$ 1,600
Other Notes
Related Party Transaction [Line Items]
Contractual Interest Rates	12.00%	12.00%
Net Carrying Value	$ 75	$ 75