CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 49,239	$ 51,775
Marketable securities	7,379	48,983
Accounts receivable, net - related party	359	2,765
Inventory, net	1,644	2,821
Income tax receivable	697	697
Other receivables	764	555
Prepaid expenses	3,777	8,154
Restricted cash		408
Total current assets	63,859	116,158
Operating lease right-of-use assets	3,646	4,864
Property and equipment, net	3,490	3,322
Restricted cash, non-current	1,500	1,500
Total assets	72,495	125,844
Current liabilities:
Accounts payable and accrued expenses	13,733	25,592
Operating lease liability, current	168
Total current liabilities	13,901	25,592
Liability related to sales of future royalties and milestones, net	39,676	37,079
Operating lease liability, non-current	7,320	6,088
Total liabilities	60,897	68,759
Commitments and contingencies (Note 17)
Stockholders' equity:
Preferred stock; $0.001 par value; 5,000,000 shares authorized at June 30, 2024 and December 31, 2023, zero shares issued and outstanding at June 30, 2024 and December 31, 2023
Common stock; $0.001 par value; 200,000,000 shares and 100,000,000 shares authorized at June 30, 2024 and December 31, 2023, respectively, 54,837,764 shares and 54,480,704 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	54	54
Additional paid-in capital	747,122	742,036
Accumulated deficit	(735,457)	(684,745)
Accumulated other comprehensive loss	(121)	(260)
Total stockholders' equity	11,598	57,085
Total liabilities and stockholders' equity	$ 72,495	$ 125,844