Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenue	$ 539	$ 784
Cost of revenue	84,029	42,607
Gross profit	(83,490)	(41,823)
Operating expenses
Research and development	25,227	132,021
Sales and marketing	9,278	22,836
General and administrative	43,164	82,888
Settlement on accrued research and development expenses	(14,935)	0
Lease impairment, net	1,847	0
Loss on disposal on property, plant, and equipment	1,667	4,453
Change in fair value of earnout liability	0	2,033
Total operating expenses	66,248	244,231
Loss from operations	(149,738)	(286,054)
Other expense, net	(1,448)	(2,437)
Loss before income taxes	(356,114)	(431,635)
Income tax benefit (expense)	267	(109)
Net loss	(355,847)	(431,744)
Total comprehensive loss
Net loss	(355,847)	(431,744)
Foreign currency translation adjustment	1,882	2,357
Total comprehensive loss	$ (353,965)	$ (429,387)
Class A Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (19.61)	$ (1,792.44)
Diluted (in dollars per share)	$ (19.61)	$ (1,792.44)
Weighted average common shares used in computing net loss per share of Class A and Class B Common Stock:
Basic (in shares)	18,529,525	240,869
Diluted (in shares)	18,529,525	240,869
Class B Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (19.61)	$ (1,792.44)
Diluted (in dollars per share)	$ (19.61)	$ (1,792.44)
Weighted average common shares used in computing net loss per share of Class A and Class B Common Stock:
Basic (in shares)	18,529,525	240,869
Diluted (in shares)	18,529,525	240,869
Nonrelated Party
Operating expenses
Change in fair value of notes payable, warrant liabilities, and derivative call options	$ (12,556)	$ 89,860
Loss on settlement of notes payable	(161,725)	(217,019)
Interest expense	(7,895)	(2,288)
Related Party
Operating expenses
Change in fair value of notes payable, warrant liabilities, and derivative call options	253	7,101
Loss on settlement of notes payable	(14,295)	(20,045)
Interest expense	$ (8,710)	$ (753)