Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating expenses:
Research and development	$ 80,398,000	$ 27,544,000	$ 40,067,000
Sales and marketing	4,111,000	0	0
General and administrative	74,752,000	45,950,000	12,518,000
Total operating loss	(159,261,000)	(73,494,000)	(52,585,000)
Interest (expense), net	(1,169,000)	(5,659,000)	(870,000)
Other income, net	36,046,000	10,860,000	276,000
Loss on extinguishment of convertible notes	(131,908,000)	0	0
Loss on extinguishment of convertible notes attributable to related parties	(1,875,000)	0	0
Loss before taxes	(258,167,000)	(68,293,000)	(53,179,000)
Income tax benefit	(385,000)	0	0
Net loss	(257,782,000)	(68,293,000)	(53,179,000)
Adjustment to redemption value on Convertible Preferred Stock	(1,011,726,000)	0	0
Net loss attributable to common stockholders	(1,269,508,000)	(68,293,000)	(53,179,000)
Common Class A [Member]
Operating expenses:
Net loss attributable to common stockholders	$ (866,510,000)	$ (8,120,000)	$ (5,989,000)
Net loss per share:
Weighted average number of shares – basic and diluted	110,837,016	6,585,392	5,374,543
Net loss per share – basic and diluted	$ (7.82)	$ (1.23)	$ (1.11)
Common Class B [Member]
Operating expenses:
Net loss attributable to common stockholders	$ (402,998,000)	$ (60,174,000)	$ (47,190,000)
Net loss per share:
Weighted average number of shares – basic and diluted	51,548,314	48,801,526	42,349,994
Net loss per share – basic and diluted	$ (7.82)	$ (1.23)	$ (1.11)