Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenues
Total Revenue	$ 551	$ 0	$ 551	$ 0
Cost of revenues
Total cost of revenues	16,131	0	22,744	0
Gross loss	(15,580)	0	(22,193)	0
Operating expenses
Research and development	21,593	47,582	104,670	259,741
Sales and marketing	5,318	3,823	18,082	16,207
General and administrative	24,023	28,551	67,598	89,069
Loss on disposal of property and equipment	0	0	3,698	1,407
Change in fair value of earnout liability	(67)	0	2,033	0
Total operating expenses	50,867	79,956	196,081	366,424
Loss from operations	(66,447)	(79,956)	(218,274)	(366,424)
Other expense, net	(1,624)	(6,457)	(1,922)	(14,307)
Loss before income taxes	(78,046)	(119,872)	(347,919)	(414,655)
Income tax provision	0	0	(28)	(9)
Net loss	(78,046)	(119,872)	(347,947)	(414,664)
Total comprehensive loss
Net loss	(78,046)	(119,872)	(347,947)	(414,664)
Foreign currency translation adjustment	(1,560)	9,864	4,007	13,548
Total comprehensive loss	$ (79,606)	$ (110,008)	$ (343,940)	$ (401,116)
Class A
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (3.78)	$ (27.67)	$ (23.28)	$ (100.26)
Diluted (in dollars per share)	$ (3.78)	$ (27.67)	$ (23.28)	$ (100.26)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	20,647,430	4,332,194	14,944,452	4,135,984
Diluted (in shares)	20,647,430	4,332,194	14,944,452	4,135,984
Class B
Net loss per share of Class A and B Common Stock attributable to common stockholders:
Basic (in dollars per share)	$ (3.78)	$ (27.67)	$ (23.28)	$ (100.26)
Diluted (in dollars per share)	$ (3.78)	$ (27.67)	$ (23.28)	$ (100.26)
Weighted average shares used in computing net loss per share of Class A and B Common Stock:
Basic (in shares)	20,647,430	4,332,194	14,944,452	4,135,984
Diluted (in shares)	20,647,430	4,332,194	14,944,452	4,135,984
Related Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	$ 4,726	$ 0	$ 5,110	$ 0
Loss on settlement of notes payable	(10,756)	0	(17,248)	0
Interest expense	(69)	(996)	(139)	(2,931)
Nonrelated Party
Operating expenses
Change in fair value of notes payable and warrant liabilities	17,571	(1,764)	90,030	4,580
Loss on settlement of notes payable	(21,357)	(30,454)	(204,885)	(30,454)
Interest expense	$ (90)	$ (245)	$ (591)	$ (5,119)