v3.26.3
SEGMENT AND GEOGRAPHIC INFORMATION - Key financial metrics by segment (Details) - EUR (€)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
BASIS OF PREPARATION          
Revenue € 45,999,000 € 16,892,000 € 66,945,000 € 60,836,000 € 90,246,000
Segment adjusted EBITDA (5,527,000) (5,258,000) 6,267,000 (74,457,000) 39,099,000
Foreign currency gains     6,294,000   2,969,000
Share listing expenses       71,630,000  
General and administration costs 8,532,000 5,472,000 11,404,000 11,792,000 12,538,000
(Impairment) / Reversal on impairment on financial assets       (20,000) (22,696,000)
Reversal of receivables from the Silicon Group          
BASIS OF PREPARATION          
(Impairment) / Reversal on impairment on financial assets         (21,375,000)
Shareholder receivable          
BASIS OF PREPARATION          
(Impairment) / Reversal on impairment on financial assets         (1,418,000)
Technical equipment and processes          
BASIS OF PREPARATION          
Revenue 40,556,000 10,742,000      
Segment adjusted EBITDA 2,142,000 (7,374,000)      
Spare parts and services          
BASIS OF PREPARATION          
Revenue 5,215,000 5,903,000      
Segment adjusted EBITDA 2,123,000 836,000      
Total management reporting          
BASIS OF PREPARATION          
Revenue 45,999,000 16,892,000 66,945,000 60,836,000 90,246,000
Segment adjusted EBITDA (5,527,000) (5,258,000) 6,267,000 (74,457,000) 39,099,000
Total management reporting | Technical equipment and processes          
BASIS OF PREPARATION          
Revenue     54,446,000 49,593,000 78,743,000
Segment adjusted EBITDA     3,415,000 611,000 12,872,000
Total management reporting | Spare parts and services          
BASIS OF PREPARATION          
Revenue     11,885,000 11,192,000 11,503,000
Segment adjusted EBITDA     2,261,000 2,459,000 3,787,000
Other          
BASIS OF PREPARATION          
Revenue 228,000 247,000 615,000 51,000  
Segment adjusted EBITDA € (9,792,000) € 1,280,000 591,000 (77,527,000) 22,440,000
Legal and consulting fee     3,390,000 3,607,000  
Insurances and salaries     6,149,000    
Waiver with debtor's warrant     5,000,000    
Foreign currency gains     € 5,100,000    
Share listing expenses       71,631,000 5,410,000
Amount of other costs       1,765,000  
General and administration costs       € 3,250,000  
Gain (loss) from bonus payment relating to disposal         4,700,000
Salaries and insurances         2,207,000
Compensation amount         1,875,000
Other | Reversal of receivables from the Silicon Group          
BASIS OF PREPARATION          
(Impairment) / Reversal on impairment on financial assets         21,375
Other | Shareholder receivable          
BASIS OF PREPARATION          
(Impairment) / Reversal on impairment on financial assets         € 1,418,000