v3.26.1
Results of operation - Research and development expenses (Details) - EUR (€)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disclosure of research and development expenses [Line items]        
Staff costs € 11,992,000 € 10,026,000 € 23,493,000 € 21,550,000
Capitalized costs   (700,000) (154,000) (1,600,000)
Total research and development expenses 9,543,000 10,059,000 18,347,000 19,048,000
Increase (Decrease) in research and development expense. € (1,200,000)   € (2,100,000)  
Percentage of increase (decrease) in research and development expense. (11.20%)   (10.20%)  
Research and Development Expenses Before Capitalization € 9,500,000 10,800,000 € 18,500,000 20,600,000
Research & Development        
Disclosure of research and development expenses [Line items]        
Staff costs 3,050,000 3,700,000 5,775,000 8,280,000
Consulting and contractors' fees 2,234,000 3,004,000 4,246,000 3,877,000
Q&A regulatory 91,000 43,000 99,000 119,000
Depreciation and amortization expense 1,470,000 418,000 2,746,000 829,000
Travel 352,000 434,000 737,000 713,000
Manufacturing and outsourced development 803,000 1,292,000 1,912,000 2,600,000
Clinical studies 1,049,000 1,396,000 2,073,000 3,250,000
IT 150,000 39,000 218,000 68,000
Rent 252,000 104,000 461,000 227,000
Other expenses 92,000 320,000 234,000 639,000
Capitalized costs   (691,000) (154,000) (1,554,000)
Total research and development expenses € 9,543,000 € 10,059,000 € 18,347,000 € 19,048,000