v3.26.1
Financial liabilities - Disclosure of Changes in Financial Liabilities (Details) - EUR (€)
€ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities € 4,309 € 4,924
Non-current financial liabilities 91,010 45,978
Total financial liabilities 95,320 50,902
Lease liabilities    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities 1,210 1,261
Non-current financial liabilities 1,889 2,969
Repayable BPI loan advances    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities 804 689
Non-current financial liabilities 136 1,258
PGE Loans | Long-term borrowings    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities 1,571 2,543
Non-current financial liabilities 0 1,547
EIB Loan    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Non-current financial liabilities 18,100 19,000
EIB Loan | Long-term borrowings    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities 725 430
Non-current financial liabilities 47,717 40,204
Royalty Financing    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Non-current financial liabilities 41,269  
Royalty Financing | Long-term borrowings    
Disclosure Of Changes In Financial Liabilities [Line Items]    
Current financial liabilities 0 0
Non-current financial liabilities € 41,269 € 0