Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Revenue	$ 2	$ 0
Cost of revenues
Cost of revenues	20,687	0
Gross Profit	(20,685)	0
Operating expenses
Research and development	6,688	57,808
Sales and marketing	2,474	5,065
General and administrative	13,848	26,513
(Gain)/Loss on disposal on property, plant and equipment	(87)	3,698
Change in fair value of earnout liability	0	2,764
Total operating expenses	22,923	95,848
Loss from operations	(43,608)	(95,848)
Other expense, net	530	1,168
Loss before income taxes	(48,217)	(144,973)
Income tax provision	0	0
Net loss	(48,217)	(144,973)
Total comprehensive loss
Net loss	(48,217)	(144,973)
Foreign currency translation adjustment	232	(555)
Total comprehensive loss	$ (47,985)	$ (145,528)
Class A Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (0.66)	$ (48.22)
Diluted (in dollars per share)	$ (0.66)	$ (48.22)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	73,518,321	3,006,526
Diluted (in shares)	73,518,321	3,006,526
Class B Common Stock
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (0.66)	$ (48.22)
Diluted (in dollars per share)	$ (0.66)	$ (48.22)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	73,518,321	3,006,526
Diluted (in shares)	73,518,321	3,006,526
Nonrelated Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	$ 27,885	$ 48,135
Loss on settlement of notes payable	(11,403)	(98,136)
Interest expense	(2,225)	(292)
Related Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	(7)	0
Loss on settlement of notes payable	(14,295)	0
Interest expense	$ (5,094)	$ 0