Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 320,484	$ 100,130
Accounts receivable, net	6,353	1,549
Inventory	10,401	6,924
Prepaid expenses and other current assets	2,232	1,653
Total current assets	339,470	110,256
Restricted cash	777	777
Property and equipment, net	5,731	8,274
Operating lease right-of-use assets, net	3,667	4,641
Intangible assets, net	1,818	2,023
Total assets	351,463	125,971
Current liabilities:
Accounts payable	3,590	1,240
Accrued compensation	4,875	4,640
Less: current portion	0	4,551
Operating lease – current portion	2,032	1,708
Deferred revenue	848	233
Convertible preferred stock warrant liability	0	177
Other current liabilities	2,834	1,977
Total current liabilities	14,179	14,526
Non-current portion	49,762	44,407
Operating lease – non-current portion	2,550	4,096
Loan facility derivative liability	1,460	1,782
Other non-current liabilities	200	200
Total liabilities	68,151	65,011
Commitments and contingencies (see Note 9)
Redeemable convertible preferred stock issuable in series, $0.00001 par value;	0	243,854
Stockholders’ equity (deficit):
Preferred stock, $0.0001 par value; 10,000 and none shares authorized, no shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	0	0
Common stock, $0.0001 par value: 300,000 and 40,000 shares authorized, 43472 and 4,713 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	0	0
Additional paid-in capital	526,526	18,788
Accumulated other comprehensive income (loss)	(41)	(14)
Accumulated deficit	(243,173)	(201,668)
Total stockholders’ equity (deficit)	283,312	(182,894)
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)	$ 351,463	$ 125,971
Redeemable convertible preferred stock, shares authorized (in shares)	0	26,983,984
Redeemable convertible preferred stock, shares outstanding (in shares)	0	25,402,402
Redeemable convertible preferred stock, shares issued (in shares)	0	25,402,402