CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 426,465	$ 409,873
Restricted cash	13,838	13,837
Accounts receivable, net	75,830	104,589
Inventories	132,567	88,388
Prepaid expenses	42,902	45,889
Other current assets	9,807	7,446
Total current assets	701,409	670,022
Property and equipment, net	182,750	177,456
Prepaid rent	480	1,567
Operating lease right-of-use assets	84,212	79,474
Intangible assets, net	9,240	7,673
Other non-current assets	5,679	3,868
Total assets	983,770	940,060
Current liabilities:
Accounts payable	48,842	37,208
Accrued liabilities and other current liabilities	39,809	29,498
Income taxes payable	8,246	8,297
Deferred revenue, current	84,629	82,165
Operating lease liabilities, current	7,594	7,147
Finance lease liabilities, current	2,620	2,621
Total current liabilities	191,740	166,936
Deferred revenue, net of current portion	10,283	10,283
Operating leases liabilities, net of current portion	47,626	46,464
Finance lease liabilities, net of current portion	2,627	3,271
Other non-current liabilities	6,356	6,356
Total liabilities	258,632	233,310
Commitments and contingencies
Stockholders’ Equity (Deficit)
Common stock, $0.00001 par value; 500,000,000 and 500,000,000 shares authorized, 146,958,296 and 146,402,991 issued and outstanding at March 31, 2022 and December 31, 2021, respectively	1	1
Additional paid-in-capital	746,352	730,767
Accumulated deficit	(21,215)	(24,018)
Total stockholders’ equity (deficit)	725,138	706,750
Total liabilities and stockholders’ equity (deficit)	$ 983,770	$ 940,060