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Certain Balance Sheet Items (Tables)
3 Months Ended
Mar. 31, 2025
Balance Sheet Related Disclosures [Abstract]  
Schedule of Accounts Receivable, Net and Contract Assets
Accounts receivable, net and contract assets consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Product sales to partners
$51,469 $37,599 
Revenues under collaborative agreements
18,926 29,452 
Royalty payments
183,583 164,348 
Other product sales
57,029 65,542 
Contract assets596 20,251 
Total accounts receivable and contract assets
311,603 317,192 
Allowance for distribution fees and discounts(6,982)(8,737)
Total accounts receivable, net and contract assets
$304,621 $308,455 
Schedule of Inventories
Inventories consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Raw materials$18,420 $24,015 
Work-in-process36,652 30,169 
Finished goods143,237 142,944 
Total inventories
198,309 197,128 
Less long-term portion (1)
(33,441)(55,268)
Total inventories, current
$164,868 $141,860 
(1) Long-term portion of inventories represents inventory expected to remain on hand beyond one year and therefore is included in prepaid expenses and other assets in the condensed consolidated balance sheets.
Schedule of Prepaid Expenses and Other Assets
Prepaid expenses and other assets consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Prepaid manufacturing expenses$41,989 $36,317 
Other prepaid expenses10,067 10,562 
Long-term inventories
33,441 55,268 
Other assets
14,729 17,400 
Total prepaid expenses and other assets
100,226 119,547 
Less long-term portion
(55,609)(80,596)
Total prepaid expenses and other assets, current
$44,617 $38,951 
Schedule of Property and Equipment
Property and equipment, net consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Research equipment$9,936 $9,811 
Manufacturing equipment40,495 39,760 
Computer and office equipment9,817 9,710 
Leasehold improvements7,203 7,012 
Subtotal
67,451 66,293 
Accumulated depreciation and amortization(27,229)(25,429)
Subtotal
40,222 40,864 
Right of use of assets32,594 34,171 
Total property and equipment, net
$72,816 $75,035 
Schedule of Accrued Expenses
Accrued expenses consisted of the following (in thousands):
March 31,
2025
December 31,
2024
Accrued compensation and payroll taxes$10,342 $24,400 
Accrued outsourced manufacturing expenses7,465 16,682 
Taxes payable
57,964 30,995 
Product returns and sales allowance52,944 54,588 
Other accrued expenses28,637 26,239 
Lease liability29,389 30,705 
Total accrued expenses
186,741 183,609 
Less long-term portion(56,436)(54,758)
Total accrued expenses, current
$130,305 $128,851