CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 134,437	$ 162,561
Marketable securities		75,250
Accounts receivable, net	13,418	14,685
Inventories	73,022	59,970
Current portion of vendor advances	2,815	35,182
Prepaid expenses and other current assets	7,571	9,489
Total current assets	231,263	357,137
Property and equipment, net	25,321	31,331
Intangible assets, net	10,317
Non-current portion of vendor advances	15,276
Operating lease assets	15,675	21,567
Other non-current assets	6,422	7,535
Total assets	304,274	417,570
Current liabilities:
Accounts payable	5,090	7,211
Deferred revenue, current	15,625	15,856
Accrued purchase commitments, current	131	2,146
Accrued expenses and other current liabilities	23,425	26,116
Total current liabilities	44,271	51,329
Deferred revenue, non-current	7,394	4,957
Warrant liabilities	826	5,370
Operating lease liabilities	22,835	29,966
Other non-current liabilities	8,895	588
Total liabilities	84,221	92,210
Commitments and contingencies (Note 18)
Stockholders' equity:
Additional paid-in capital	949,670	921,278
Accumulated deficit	(729,638)	(595,938)
Total stockholders' equity	220,053	325,360
Total liabilities and stockholders' equity	304,274	417,570
Class A Common Stock
Stockholders' equity:
Common stock	18	17
Class B Common Stock
Stockholders' equity:
Common stock	$ 3	$ 3