CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 217,003	$ 193,513
Accounts receivable	26,782	14,454
Receivables from collaboration arrangement	67,198	69,621
Inventory	36,664	40,737
Prepaid expenses	8,484	21,630
Other current assets	2,146	4,264
Total current assets	358,277	344,219
Property and equipment, net	427	483
Equity method investments	91,780	116,546
Equity and long-term investments	444,655	444,432
Capitalized fees paid, net	76,872	83,784
Right-of-use assets	3,118	2,536
Goodwill	17,905	17,905
Intangible assets	217,455	230,335
Deferred tax assets, net	11,446	0
Other assets	2,982	3,267
Total assets	1,224,917	1,243,507
Current liabilities:
Accounts payable	2,039	6,717
Accrued personnel-related expenses	4,757	7,020
Accrued interest payable	3,422	3,422
Deferred revenue	855	1,277
Other accrued liabilities	17,133	19,698
Total current liabilities	28,206	38,134
Long-term debt, net of discount and issuance costs	447,282	446,234
Other long-term liabilities	72,065	71,870
Deferred tax liabilities, net	0	563
Income tax payable, long-term	11,849	11,751
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred stock: $0.01 par value, 230 shares authorized, no shares issued and outstanding	0	0
Common stock: $0.01 par value, 200,000 shares authorized, 62,562 and 63,307 issued and outstanding as of June 30, 2024 and December 31, 2023, respectively	626	633
Treasury stock: at cost, nil and 32,005 shares as of June 30, 2024 and December 31, 2023, respectively	0	(393,829)
Additional paid-in capital	688,231	1,093,340
Accumulated deficit	(23,342)	(25,189)
Total stockholders' equity	665,515	674,955
Total liabilities and stockholders' equity	$ 1,224,917	$ 1,243,507