v3.26.1
Other long-term receivables (Details) - EUR (€)
Jun. 30, 2026
Dec. 31, 2025
Other long-term receivables    
R&D tax incentive € 1,258,000 € 1,233,000
Prepayment option 66,000 91,000
Cash guarantees 507,000 394,000
Total other long term receivables € 1,831,000 € 1,718,000