v3.26.1
SEGMENT AND GEOGRAPHIC INFORMATION - Key financial metrics by segment (Details) - EUR (€)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
BASIS OF PREPARATION      
Revenue € 66,945,000 € 60,836,000 € 90,246,000
Segment adjusted EBITDA 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 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)
Total management reporting      
BASIS OF PREPARATION      
Revenue 66,945,000 60,836,000 90,246,000
Segment adjusted EBITDA 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 615,000 51,000  
Segment adjusted EBITDA 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