Notes Payable - Schedule of Notes Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Jul. 14, 2025	Mar. 21, 2025	Dec. 31, 2024
Nonrelated Party
Debt Instrument [Line Items]
Notes payable, current portion	$ 4,432			$ 4,224
Notes payable, long-term portion	56,234			45,264
Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	78,799			50,577
Fair Value Measurement Adjustments	(7,280)			27,399
Original Issue Discount and Proceeds Allocated to Warrants	(10,853)			(28,488)
Net Carrying Value	60,666			49,488
Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance				3,118
Fair Value Measurement Adjustments				2,651
Original Issue Discount and Proceeds Allocated to Warrants				(312)
Net Carrying Value				5,457
2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Unpaid Principal Balance	8,100			4,380
Fair Value Measurement Adjustments	(622)			2,844
Original Issue Discount and Proceeds Allocated to Warrants	(810)			(508)
Net Carrying Value	$ 6,668			$ 6,716
Junior Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%			10.00%
Unpaid Principal Balance	$ 12,107			$ 28,840
Fair Value Measurement Adjustments	(705)			13,163
Original Issue Discount and Proceeds Allocated to Warrants	0			(15,944)
Net Carrying Value	$ 11,402			$ 26,059
2024 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%			10.00%
Unpaid Principal Balance	$ 6,070			$ 10,015
Fair Value Measurement Adjustments	(252)			8,741
Original Issue Discount and Proceeds Allocated to Warrants	0			(11,724)
Net Carrying Value	$ 5,818			$ 7,032
2025 March Unsecured SPA Notes
Debt Instrument [Line Items]
Contractual Interest Rates			10.00%
2025 March Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%		18.00%
Unpaid Principal Balance	$ 5,508
Fair Value Measurement Adjustments	(1,096)
Original Issue Discount and Proceeds Allocated to Warrants	(2,304)
Net Carrying Value	$ 2,108
2025 July Unsecured SPA Notes
Debt Instrument [Line Items]
Contractual Interest Rates		10.00%
2025 July Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%	18.00%
Unpaid Principal Balance	$ 37,592
Fair Value Measurement Adjustments	(3,079)
Original Issue Discount and Proceeds Allocated to Warrants	(7,717)
Net Carrying Value	$ 26,796
Unsecured Convertible Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	4.27%
Unpaid Principal Balance	$ 5,000
Fair Value Measurement Adjustments	(1,558)
Original Issue Discount and Proceeds Allocated to Warrants	0
Net Carrying Value	$ 3,442
Notes payable – China other | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	0.00%			0.00%
Unpaid Principal Balance	$ 4,290			$ 4,173
Fair Value Measurement Adjustments	0			0
Original Issue Discount and Proceeds Allocated to Warrants	0			0
Net Carrying Value	$ 4,290			$ 4,173
2025 Convertible Note - AIXC | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	0.00%
Unpaid Principal Balance	$ 132
Fair Value Measurement Adjustments	32
Original Issue Discount and Proceeds Allocated to Warrants	(22)
Net Carrying Value	$ 142
Auto loans | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates				7.00%
Unpaid Principal Balance				$ 51
Fair Value Measurement Adjustments				0
Original Issue Discount and Proceeds Allocated to Warrants				0
Net Carrying Value				$ 51
Minimum | Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%			10.00%
Minimum | 2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%			10.00%
Maximum | Secured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%			15.00%
Maximum | 2023 Unsecured SPA Notes | Notes Payable
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%			15.00%