v3.26.1
Auditor's remuneration (Details) - EUR (€)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Auditor's remuneration Abstract    
Statutory auditor's fees € 1,270,800 € 1,063,900
Audit-related fees 14,000 17,200
Other fees related to non-audit services 148,700 88,900
Other fees related to non-audit services executed by persons related to the statutory auditor 0 0
Tax fees € 15,100 € 49,500