v3.26.1
Results of operation - Selling, General and Administrative expenses (Details) - EUR (€)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Research and Development expenses        
Staff costs € 11,992,000 € 10,026,000 € 23,493,000 € 21,550,000
Total selling, general and administrative expenses 15,618,000 10,672,000 30,992,000 23,063,000
Selling, General and Administrative expenses        
Research and Development expenses        
Staff costs 8,942,000 6,326,000 17,718,000 13,270,000
Consulting and contractors' fees 3,816,000 2,527,000 7,053,000 5,734,000
Legal fees 995,000 217,000 2,540,000 479,000
Rent 101,000 124,000 138,000 230,000
Depreciation and amortization expense 342,000 356,000 782,000 719,000
IT 413,000 587,000 812,000 1,045,000
Travel 814,000 410,000 1,577,000 1,168,000
Insurance fees 103,000 108,000 213,000 221,000
Impairment loss on trade receivables 39,000   37,000  
Other 53,000 17,000 122,000 197,000
Total selling, general and administrative expenses € 15,618,000 € 10,672,000 30,992,000 € 23,063,000
Selling, General and Administrative expenses | Constructive obligation        
Research and Development expenses        
Consulting and contractors' fees     € 37