Unaudited Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Revenue	$ 9	$ 551	$ 304	$ 551
Cost of revenues
Cost of revenues	21,453	16,131	63,110	22,744
Gross profit	(21,444)	(15,580)	(62,806)	(22,193)
Operating expenses
Research and development	5,180	21,593	15,185	104,670
Sales and marketing	2,601	5,318	6,857	18,082
General and administrative	8,278	24,023	39,327	67,598
Settlement on accrued research and development expenses	(14,935)	0	(14,935)	0
Lease impairment loss	57	0	7,673	0
Loss on disposal on property, plant and equipment	2,582	0	2,511	3,698
Change in fair value of earnout liability	0	(67)	0	2,033
Total operating expenses	3,763	50,867	56,618	196,081
Loss from operations	(25,207)	(66,447)	(119,424)	(218,274)
Other income/(expense), net	361	(1,624)	599	(1,922)
Loss before income taxes	(77,687)	(78,046)	(234,585)	(347,919)
Income tax provision	1	0	(3)	(28)
Net loss	(77,686)	(78,046)	(234,588)	(347,947)
Total comprehensive loss
Net loss	(77,686)	(78,046)	(234,588)	(347,947)
Foreign currency translation adjustment	(2,510)	(1,560)	(1,646)	4,007
Total comprehensive loss	$ (80,196)	$ (79,606)	$ (236,234)	$ (343,940)
Class A Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (5.32)	$ (453.59)	$ (27.42)	$ (2,793.9)
Diluted (in dollars per share)	$ (5.32)	$ (453.59)	$ (27.42)	$ (2,793.9)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	15,379,402	172,062	8,707,165	124,538
Diluted (in shares)	15,379,402	172,062	8,707,165	124,538
Class B Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (5.32)	$ (453.59)	$ (27.42)	$ (2,793.9)
Diluted (in dollars per share)	$ (5.32)	$ (453.59)	$ (27.42)	$ (2,793.9)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	15,379,402	172,062	8,707,165	124,538
Diluted (in shares)	15,379,402	172,062	8,707,165	124,538
Nonrelated Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	$ 8,287	$ 17,571	$ 28,927	$ 90,030
Loss on settlement of notes payable	(59,128)	(21,357)	(117,509)	(204,885)
Interest expense	(1,442)	(90)	(5,386)	(591)
Related Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	654	4,726	315	5,110
Loss on settlement of notes payable	0	(10,756)	(14,295)	(17,248)
Interest expense	$ (1,212)	$ (69)	$ (7,812)	$ (139)