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Interest Expense (Tables)
 12 Months Ended
Dec. 31, 2024
Other Income and Expenses [Abstract]  
Schedule of Other (Expenses) Income
Interest expense consists of the following (dollars in thousands):
Year Ended December 31,
202420232022
Interest expense$— $(1,321)$(2,542)
Interest expense on nonrecourse liability related to sale of future royalties— (562)(2,416)
Noncash interest expense on debt— (532)(2,112)
Total$— $(2,415)$(7,070)