CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 50,728	$ 88,227
Short-term investments	358,704	416,750
Accounts receivable	1,335	5,981
Inventory, net	20,689	19,202
Other current assets	9,602	15,808
Total current assets	441,058	545,968
Property, plant and equipment, net	22,554	32,451
Operating lease right-of-use assets	29,015	53,435
Goodwill	0	76,501
Other assets	1,652	2,245
Total assets	494,279	710,600
Current liabilities:
Accounts payable	2,619	12,980
Accrued expenses	29,142	36,557
Operating lease liabilities, current portion	18,933	18,667
Total current liabilities	50,694	68,204
Operating lease liabilities, less current portion	105,817	112,829
Liabilities related to the sales of future royalties, net	135,659	155,378
Other long-term liabilities	5,151	7,551
Total liabilities	297,321	343,962
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000 shares authorized; no shares designated or outstanding at June 30, 2023 or December 31, 2022, respectively	0	0
Common stock, $0.0001 par value; 300,000 shares authorized; 190,119 shares and 188,560 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	19	19
Capital in excess of par value	3,592,722	3,574,719
Accumulated other comprehensive loss	(6,450)	(6,907)
Accumulated deficit	(3,389,333)	(3,201,193)
Total stockholders’ equity	196,958	366,638
Total liabilities and stockholders’ equity	$ 494,279	$ 710,600