Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue:
Total revenue	$ 686	$ 0	$ 686	$ 0
Operating expenses:
Research and development	16,165	6,222	29,063	11,874
Sales and marketing	1,900	701	3,402	1,213
General and administrative	6,797	3,231	14,586	5,351
Total operating expenses	24,862	10,154	47,051	18,438
Loss from operations	(24,176)	(10,154)	(46,365)	(18,438)
Other income (expenses), net:
Interest income (expense), net	247	(54)	218	(111)
Gain (loss) on revaluation of warrant liabilities	8,158	(6,378)	23,823	(14,804)
Loss on revaluation of derivative liabilities	0	(73,847)	0	(211,988)
Gain on revaluation of earnout liabilities	438	0	1,278	0
Other income (expense), net	(255)	(9)	(251)	(19)
Total other income (expenses), net	8,588	(80,288)	25,068	(226,922)
Net loss and comprehensive loss to common stockholders	$ (15,588)	$ (90,442)	$ (21,297)	$ (245,360)
Net loss per share, basic (in USD per share)	$ (0.10)	$ (1.35)	$ (0.14)	$ (3.81)
Net loss per share, diluted (in USD per share)	$ (0.10)	$ (1.35)	$ (0.14)	$ (3.81)
Weighted average shares used in per share calculation, basic (in shares)	152,723,980	67,132,287	152,206,773	64,427,702
Weighted average shares used in per share calculation, diluted (in shares)	152,723,980	67,132,287	152,206,773	64,427,702
Revenue
Revenue:
Total revenue	$ 404	$ 0	$ 404	$ 0
Revenue - related parties
Revenue:
Total revenue	$ 282	$ 0	$ 282	$ 0