CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 571,454	$ 559,461	$ 256,952
Accounts receivable, net	30,651	38,376
Inventories	30,753	23,630
Prepaid expenses and other current assets	4,890	4,476
Total current assets	637,748	625,943
Property and equipment, net	44,211	37,902
Intangible assets, net	4,393	5,977
Right-of-use assets, net	11,478	8,194
Other assets	218	193
Total assets	698,048	678,209
Current liabilities:
Accounts payable	12,508	13,103
Accrued expenses and other current liabilities	21,565	24,282
Total current liabilities	34,073	37,385
Lease liabilities	8,941	6,398
Other non-current liabilities	1,160	1,929
Total liabilities	44,174	45,712
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, $0.0001 par value - 200,000 shares authorized; 21,042 and 20,825 shares issued and outstanding at March 31, 2022 and December 31, 2021	2	2
Additional paid-in capital	678,851	663,614
Accumulated deficit	(24,979)	(31,119)
Total stockholders’ equity	653,874	632,497	$ 295,269
Total liabilities and stockholders’ equity	$ 698,048	$ 678,209