v3.25.3
Commitments and Contingencies - Narrative (Q2) (Details)
€ in Thousands, $ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended 62 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
Dec. 31, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
Jun. 30, 2024
USD ($)
Oct. 01, 2024
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
agreement
Jun. 30, 2025
USD ($)
Jan. 22, 2025
EUR (€)
Dec. 12, 2024
USD ($)
Apr. 22, 2020
USD ($)
Commitments and Contingencies Disclosure [Abstract]                            
Guaranty amount                           $ 5,000
Amounts paid under the guaranty               $ 0     $ 0      
Interest paid under the guaranty               0     0      
Principal outstanding under the guaranty $ 0   $ 0   $ 0       $ 0   $ 0      
Number of agreements to purchase in-process research and development | agreement                   2        
License agreement, transfer fee                         $ 500  
License agreement, semi-annual fee                         $ 65  
License agreement, semi-annual fee expensed 65   11   33                  
Other Commitments [Line Items]                            
Research and development 6,068   $ 5,340 $ 1,764 12,321   $ 3,433 $ 5,978 $ 4,001          
Framework Agreement third party                            
Other Commitments [Line Items]                            
Research services, minimum fee due in first 12-month period | €                       € 2,000    
Research services, minimum fee due in second 12-month period | €                       € 3,000    
Research and development 526 € 425     619 € 516                
Payments for research and development $ 302       $ 302