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Commitments and Contingencies - Narrative (Details)
€ in Millions
3 Months Ended 9 Months Ended 12 Months Ended 68 Months Ended
Dec. 12, 2024
USD ($)
Dec. 31, 2024
USD ($)
Oct. 01, 2024
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2022
agreement
Dec. 31, 2025
USD ($)
Jan. 22, 2025
EUR (€)
Apr. 22, 2020
USD ($)
Other Commitments [Line Items]                  
Guaranty amount                 $ 5,000,000.0
Amounts paid under the guaranty             $ 0    
Principal outstanding under the guaranty   $ 0   $ 0     $ 0    
Number of agreements to purchase in-process research and development | agreement           2      
License agreement, transfer fee $ 500,000                
License agreement, upfront fee $ 500,000                
Payments for royalties       0          
Research and development   $ 5,340,000 $ 5,978,000 25,025,000          
Framework Agreement Third Party                  
Other Commitments [Line Items]                  
Research services, minimum fee due in first 12-month period | €               € 2.0  
Research services, minimum fee due in second 12-month period | €               € 3.0  
Research and development       1,900,000 € 1.7        
Payments for research and development       $ 2,000,000.0