CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 93,758	$ 134,437
Accounts receivable, net	20,621	13,418
Inventories	73,271	73,022
Current portion of vendor advances	4,351	2,815
Prepaid expenses and other current assets	7,492	7,571
Total current assets	199,493	231,263
Property and equipment, net	21,176	25,321
Intangible assets, net	9,266	10,317
Non-current portion of vendor advances	15,082	15,276
Operating lease assets	14,606	15,675
Other non-current assets	5,649	6,422
Total assets	265,272	304,274
Current liabilities:
Accounts payable	3,651	5,090
Deferred revenue, current	16,425	15,625
Accrued purchase commitments, current	131	131
Accrued expenses and other current liabilities	22,585	23,425
Total current liabilities	42,792	44,271
Deferred revenue, non-current	7,035	7,394
Warrant liabilities	1,652	826
Operating lease liabilities	21,030	22,835
Other non-current liabilities	10,931	8,895
Total liabilities	83,440	84,221
Commitments and contingencies (Note 12)
Stockholders' equity:
Additional paid-in capital	965,839	949,670
Accumulated deficit	(784,029)	(729,638)
Total stockholders' equity	181,832	220,053
Total liabilities and stockholders' equity	265,272	304,274
Class A Common Stock
Stockholders' equity:
Common stock	19	18
Class B Common Stock
Stockholders' equity:
Common stock	$ 3	$ 3