Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 42,896	$ 238,940
Restricted cash, current	1,167	1,217
Accounts receivable, net	80	451
Accounts receivable, net - related parties	0	66
Short-term investments	123,842	0
Prepaid expenses and other current assets	3,258	4,844
Total current assets	171,243	245,518
Property and equipment, net	15,948	4,501
Operating lease right-of-use assets	3,693	0
Restricted cash, non-current	675	75
Other non-current assets	305	105
Total assets	191,864	250,199
Current liabilities:
Accounts payable	1,091	1,572
Accrued and other current liabilities	12,651	6,487
Accrued product warranties	1,148	0
Operating lease liabilities, current	1,383	0
Deferred revenue	3,546	3,663
Notes payable, current	2,306	1,900
Total current liabilities	22,125	13,622
Notes payable, non-current	0	1,869
Operating lease liabilities, non-current	2,904	0
Earnout warrant liabilities	432	1,476
Public warrant liabilities	5,460	18,666
Private warrant liabilities	2,590	8,855
Other non-current liabilities	91	552
Total liabilities	33,602	45,040
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock ($0.0001 par value; 200,000,000 shares authorized, none issued and outstanding as of September 30, 2022 and December 31, 2021)	0	0
Common stock ($0.0001 par value; 2,000,000,000 shares authorized, 152,919,714 and 151,839,058 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively)	16	16
Additional paid-in capital	751,750	745,753
Accumulated deficit	(593,504)	(540,610)
Total stockholders’ equity	158,262	205,159
Total liabilities and stockholders’ equity	$ 191,864	$ 250,199