v3.26.1
INTANGIBLE ASSETS (Details) - EUR (€)
€ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
MATERIAL ACCOUNTING POLICIES    
Beginning balance € 14,941 € 14,966
Ending balance 17,262 14,941
Costs of acquisition    
MATERIAL ACCOUNTING POLICIES    
Beginning balance 31,137 27,102
Additions 4,870 4,008
Disposals/Retirements   (1)
Foreign exchange differences (117) 28
Ending balance 35,891 31,137
Accumulated amortization/write downs    
MATERIAL ACCOUNTING POLICIES    
Beginning balance (16,196) (12,136)
Amortization 2,544 4,166
Disposals/Retirements   131
Foreign exchange differences 110 (26)
Ending balance (18,629) (16,196)
Development Costs    
MATERIAL ACCOUNTING POLICIES    
Beginning balance 14,354 14,278
Ending balance 16,895 14,354
Development Costs | Costs of acquisition    
MATERIAL ACCOUNTING POLICIES    
Beginning balance 29,597 25,729
Additions 4,869 3,878
Disposals/Retirements   (1)
Foreign exchange differences (23) (10)
Ending balance 34,444 29,597
Development Costs | Accumulated amortization/write downs    
MATERIAL ACCOUNTING POLICIES    
Beginning balance (15,243) (11,452)
Amortization 2,328 3,801
Foreign exchange differences 23 10
Ending balance (17,548) (15,243)
Patents and licenses    
MATERIAL ACCOUNTING POLICIES    
Beginning balance 588 689
Ending balance 366 588
Patents and licenses | Costs of acquisition    
MATERIAL ACCOUNTING POLICIES    
Beginning balance 1,540 1,372
Additions 1 129
Foreign exchange differences (94) 38
Ending balance 1,447 1,540
Patents and licenses | Accumulated amortization/write downs    
MATERIAL ACCOUNTING POLICIES    
Beginning balance (952) (684)
Amortization 216 364
Disposals/Retirements   131
Foreign exchange differences 87 (36)
Ending balance € (1,081) € (952)