Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 329,977	$ 208,944
Restricted cash	725	775
Marketable securities (including $12,200 with a related party as of December 31, 2021, see Note 19)	462,141	276,710
Accounts receivable	13,013	5,971
Inventory	10,342	3,613
Prepaid expenses and other current assets	29,195	4,797
Total current assets	845,393	500,810
Property and equipment, net	11,009	7,689
Operating lease right-of-use assets	9,145	0
Intangible assets, net	2,424	0
Goodwill	3,110	701
Other non-current assets	12,455	1,151
Total assets	883,536	510,351
Current liabilities:
Accounts payable	14,419	6,039
Accrued and other current liabilities	19,844	10,452
Operating lease liabilities	4,735	0
Debt, current	0	99
Total current liabilities	38,998	16,590
Warrant liabilities	31,230	343,400
Debt, non-current	0	302
Convertible senior notes	608,957	0
Operating lease liabilities, non-current	5,768	0
Other non-current liabilities	598	1,318
Total liabilities	685,551	361,610
Commitments and contingencies (see Note 17)
Stockholders’ equity:
Additional paid-in capital	1,257,214	733,175
Accumulated other comprehensive income (loss)	(908)	34
Treasury stock, at cost, 15,263,761 and 0 shares as of December 31, 2021 and 2020, respectively	(235,871)	0
Accumulated deficit	(822,487)	(584,501)
Total stockholders’ equity	197,985	148,741
Total liabilities and stockholders’ equity	883,536	510,351
Preferred Stock
Stockholders’ equity:
Preferred stock	0	0
Class A Common Stock
Stockholders’ equity:
Common stock	27	22
Class B Common Stock
Stockholders’ equity:
Common stock	$ 10	$ 11