CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 102,051	$ 134,437
Accounts receivable, net	16,113	13,418
Inventories	74,175	73,022
Current portion of vendor advances	4,302	2,815
Prepaid expenses and other current assets	7,836	7,571
Total current assets	204,477	231,263
Property and equipment, net	22,967	25,321
Intangible assets, net	9,617	10,317
Non-current portion of vendor advances	15,185	15,276
Operating lease assets	14,970	15,675
Other non-current assets	5,851	6,422
Total assets	273,067	304,274
Current liabilities:
Accounts payable	4,514	5,090
Deferred revenue, current	14,751	15,625
Accrued purchase commitments, current	131	131
Accrued expenses and other current liabilities	21,386	23,425
Total current liabilities	40,782	44,271
Deferred revenue, non-current	7,360	7,394
Warrant liabilities	413	826
Operating lease liabilities	21,652	22,835
Other non-current liabilities	8,580	8,895
Total liabilities	78,787	84,221
Commitments and contingencies (Note 12)
Stockholders' equity:
Additional paid-in capital	961,363	949,670
Accumulated deficit	(767,105)	(729,638)
Total stockholders' equity	194,280	220,053
Total liabilities and stockholders' equity	273,067	304,274
Class A Common Stock
Stockholders' equity:
Common stock	19	18
Class B Common Stock
Stockholders' equity:
Common stock	$ 3	$ 3