v3.26.1
REVENUE FROM CONTRACTS WITH CUSTOMERS AND COST OF SALES - Cost of sales (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
REVENUE FROM CONTRACTS WITH CUSTOMERS AND COST OF SALES      
Personnel expenses € (17,983) € (17,545) € (16,690)
Material expenses (24,911) (21,821) (35,767)
Depreciation/amortization (3,006) (5,209) (4,904)
Other expenses (5,028) (4,217) (6,488)
Total cost of sales € (50,928) € (48,791) € (63,849)