REVENUE FROM CONTRACTS WITH CUSTOMERS AND COST OF SALES - Cost of sales (Details) - EUR (€) € in Thousands |
6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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 | € (36,227) | € (18,539) | € (50,928) | € (48,791) | € (63,849) |