Quarterly report [Sections 13 or 15(d)]

Royalty and Commercial Payment Purchase Agreements - Cost Recovery Method - Palobiofarma (Details)

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Royalty and Commercial Payment Purchase Agreements - Cost Recovery Method - Palobiofarma (Details)
1 Months Ended 3 Months Ended
Sep. 30, 2019
USD ($)
Mar. 31, 2025
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2024
USD ($)
Agreements        
Payments of consideration under RPAs, AAAs and CPPAs   $ 8,000,000 $ 15,000,000  
Long-term royalty and commercial payment receivables under the cost recovery method   59,916,000   $ 55,936,000
Palobiofarma | Royalty Purchase Agreement        
Agreements        
Number of drug candidates 6      
Payments of consideration under RPAs, AAAs and CPPAs $ 10,000,000      
Long-term royalty and commercial payment receivables under the cost recovery method $ 10,000,000      
Allowance for credit losses   $ 0   $ 0