CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 193,313	$ 422,841
Marketable securities	74,546
Accounts receivable, net	11,807	11,936
Inventories	57,664	36,243
Current portion of vendor advances	20,844	27,500
Prepaid expenses and other current assets	14,291	13,384
Total current assets	372,465	511,904
Property and equipment, net	31,377	14,703
Non-current portion of vendor advances	9,883	12,782
Operating lease assets	22,146	24,083
Other non-current assets	7,387	8,493
Total assets	443,258	571,965
Current liabilities:
Accounts payable	2,675	5,798
Deferred revenue, current	13,927	13,071
Accrued purchase commitments, current	3,951	5,329
Accrued expenses and other current liabilities	25,327	25,631
Total current liabilities	45,880	49,829
Deferred revenue, non-current	5,591	5,476
Warrant liabilities	17,348	26,229
Accrued purchase commitments, non-current		14,200
Operating lease liabilities	30,176	27,690
Other non-current liabilities	626	850
Total liabilities	99,621	124,274
Commitments and contingencies (Note 15)
Stockholders' equity:
Additional paid-in capital	905,852	874,886
Accumulated deficit	(562,235)	(427,215)
Total stockholders' equity	343,637	447,691
Total liabilities and stockholders' equity	443,258	571,965
Class A Common Stock
Stockholders' equity:
Common stock	17	17
Class B Common Stock
Stockholders' equity:
Common stock	$ 3	$ 3