CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,940	$ 35,277
Short-term investments	243,295	268,339
Accounts receivable	1,196	1,205
Inventory, net	14,465	16,101
Other current assets	8,292	9,779
Total current assets	295,188	330,701
Long-term investments	19,405	25,825
Property, plant and equipment, net	15,187	18,856
Operating lease right-of-use assets	9,240	18,007
Other assets	4,314	4,644
Total assets	343,334	398,033
Current liabilities:
Accounts payable	6,475	9,848
Accrued expenses	29,514	22,162
Operating lease liabilities, current portion	21,337	19,259
Total current liabilities	57,326	51,269
Operating lease liabilities, less current portion	90,763	98,517
Liabilities related to the sales of future royalties, net	107,506	112,625
Other long-term liabilities	8,051	4,635
Total liabilities	263,646	267,046
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000 shares authorized; no shares designated or outstanding at June 30, 2024 or December 31, 2023, respectively	0	0
Common stock, $0.0001 par value; 300,000 shares authorized; 192,346 shares and 191,384 shares issued at June 30, 2024 and December 31, 2023, respectively; 184,061 shares and 191,384 shares outstanding at June 30, 2024 and December 31, 2023, respectively;	19	19
Capital in excess of par value	3,649,577	3,608,137
Treasury stock, at cost; 8,285 shares as of June 30, 2024 and none as of December 31, 2023, respectively	(3,000)	0
Accumulated other comprehensive income (loss)	(494)	80
Accumulated deficit	(3,566,414)	(3,477,249)
Total stockholders’ equity	79,688	130,987
Total liabilities and stockholders’ equity	$ 343,334	$ 398,033