Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total revenue	$ 31,944	$ 13,951	$ 12,602
Total cost of sales	46,092	24,952	16,655
Gross loss	(14,148)	(11,001)	(4,053)
Operating expenses:
Research and development	88,861	38,651	36,971
Sales and marketing	17,858	7,948	4,730
General and administrative	93,685	29,275	16,861
Total operating expenses	200,404	75,874	58,562
Loss from operations	(214,552)	(86,875)	(62,615)
Change in fair value of SAFE notes	0	0	(24,215)
Change in fair value of warrant liabilities	(26,126)	(268,266)	(256)
Loss on extinguishment of debt	0	(3,996)	(6,124)
Interest expense and other	(2,028)	(2,885)	(2,239)
Interest income and other	3,458	(276)	731
Total other income (expense), net	(24,696)	(275,423)	(32,103)
Loss before income taxes	(239,248)	(362,298)	(94,718)
Benefit from income taxes	(1,262)	0	0
Net loss	(237,986)	(362,298)	(94,718)
Net loss attributable to common stockholders	$ (237,986)	$ (369,055)	$ (100,000)
Net loss per share attributable to common stockholders:
Net loss per shares attributable to common shareholders- Basic (in dollars per share)	$ (0.69)	$ (2.54)	$ (0.84)
Net loss per shares attributable to common shareholders- Diluted (in dollars per share)	$ (0.69)	$ (2.54)	$ (0.84)
Shares used in computing net loss per share attributable to common stockholders:
Basic (in shares)	346,300,975	145,096,996	118,835,912
Diluted (in shares)	346,300,975	145,096,996	118,835,912
Comprehensive Loss:
Net loss	$ (237,986)	$ (362,298)	$ (94,718)
Net unrealized gains (losses) on available-for-sale debt securities	(942)	35	(1)
Comprehensive loss	(238,928)	(362,263)	(94,719)
Products
Total revenue	10,118	4,840	12,602
Total cost of sales	23,484	15,097	16,655
Services
Total revenue	21,826	9,111	0
Total cost of sales	$ 22,608	$ 9,855	$ 0