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Other income (expense)
9 Months Ended
Sep. 30, 2025
Other Income and Expenses [Abstract]  
Other income (expense) Other income (expense)
Interest Expense
The components of Interest expense for the three and nine months ended September 30, 2025 and 2024 are as follows:

Three Months Ended
September 30,
Nine Months Ended
September 30,
(in thousands)2025202420252024
Deferred royalty obligation interest expense$8,996 $8,532 $26,164 $24,891 
Effective interest expense on senior secured term loan facility4,396 4,585 12,455 13,401 
Interest expense$13,392 $13,117 $38,619 $38,292 

Other, net

The components of Other, net for the three and nine months ended September 30, 2025 and 2024 are as follows:

Three Months Ended
September 30,
Nine Months Ended
September 30,
(in thousands)2025202420252024
Deerfield warrant obligation, change in fair value income$— $1,130 $— $292 
Cumulative catch-up adjustment, deferred royalty obligation321 206 517 732 
Exchange differences gain (loss)338 21 (599)(75)
R&D tax credit gain266 267 1,028 834 
Other, net$925 $1,624 $946 $1,783