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Deferred Royalty Obligation Related to the Sale of Future Royalties (Tables)
 12 Months Ended
Dec. 31, 2025
Advance Royalties [Abstract]  
Schedule of Deferred Royalty Obligation
A summary of financial information related to the HCR Agreement is as follows:
Year Ended December 31,
($ in thousands)202520242023
Non-cash interest expense related to the sale of future royalties$(8,296)$(7,088)$(3,924)
Effective interest rate25.4 %31.0 %34.7 %
(in thousands)202520242023
Deferred royalty obligation balance as of January 1,
$25,527 $20,179 $11,254 
Proceeds received from HCR— — 5,000 
Non-cash interest expense related to the sale of future royalties8,296 7,088 3,924 
Royalty and commercialization milestone payments remitted to HCR(7,947)(1,740)— 
Other
— — 1 
Deferred royalty obligation balance as of December 31,$25,876 $25,527 $20,179