CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 258,718	$ 235,260
Short-term investments	717,716	848,577
Accounts receivable, net	14,651	865
Inventory	20,156	3,020
Other current assets	24,839	21,239
Total current assets	1,036,080	1,108,961
Property and equipment, net	16,046	17,540
Intangible asset, net	14,138	14,914
Long-term investment	3,559	3,465
Right-of-use asset	35,066	36,122
Other long-term assets	24,819	21,645
Total assets	1,129,708	1,202,647
Current liabilities
Accounts payable	37,961	38,861
Accrued liabilities	99,418	120,587
Total current liabilities	137,379	159,448
Lease liability	42,203	43,661
Other liabilities	3,661	3,022
Total liabilities	183,243	206,131
Commitments and contingencies (see Note 11)
Shareholders' equity
Preferred stock, $0.001 par value, 10,000,000 shares authorized; none issued and outstanding at both September 30, 2023 and December 31, 2022	0	0
Common stock, $0.001 par value; 100,000,000 authorized; 70,111,309 and 57,854,559 issued and outstanding at September 30, 2023 and December 31, 2022, respectively	70	58
Additional paid-in capital	3,924,237	3,453,066
Accumulated other comprehensive loss	(1,550)	(3,719)
Accumulated deficit	(2,976,292)	(2,452,889)
Total shareholders' equity	946,465	996,516
Total liabilities and shareholders' equity	$ 1,129,708	$ 1,202,647