v3.26.3
RELATED PARTY TRANSACTIONS (Details)
6 Months Ended 12 Months Ended
May 23, 2026
EUR (€)
Jun. 30, 2026
$ / shares
Jun. 30, 2026
EUR (€)
shares
Dec. 31, 2027
EUR (€)
shares
Dec. 31, 2025
$ / shares
Jun. 30, 2026
EUR (€)
Dec. 31, 2025
EUR (€)
RELATED PARTY TRANSACTIONS              
Share-based compensation for key management personnel | €     € 1,400,000        
Loans from shareholders              
RELATED PARTY TRANSACTIONS              
Debt outstanding | €             € 21,000,000
Black forest term loan facility, first tranche              
RELATED PARTY TRANSACTIONS              
Debt outstanding | €             € 574,000
Interest rate on borrowings             15.00%
Conversion share price | $ / shares         $ 2.15    
Exercise window term         5 years    
Shareholder | Loans from shareholders              
RELATED PARTY TRANSACTIONS              
Debt converted | € € 30,750,000            
Debt outstanding | €           € 17,500,000  
Black Forest Special Situations I | Black forest term loan facility, first tranche              
RELATED PARTY TRANSACTIONS              
Debt outstanding | €           € 2,500,000  
Interest rate on borrowings           15.00%  
Conversion share price | $ / shares   $ 2.15          
Key management personnel | Rauch              
RELATED PARTY TRANSACTIONS              
Shares receive per month     6,000        
Share options     50,000        
Share option term     6 months        
Strike price | $ / shares   4          
Volume-weighted average term     6 months        
Exercise window term     5 years        
Incentive variable salary of shares     35,000        
Underperformance percentage     30.00%        
Overperformance percentage     30.00%        
Maximum overperformance     200.00%        
Key management personnel | Rauch | Forecast              
RELATED PARTY TRANSACTIONS              
Share options       50,000      
Share option term       6 months      
Exercise window term       5 years      
Incentive variable salary of shares       35,000      
Underperformance percentage       30.00%      
Overperformance percentage       30.00%      
Maximum overperformance       200.00%      
Fixed salary amount used to determine the number of shares | €       € 250,000      
Preceding period       6 months      
Key management personnel | Schuetz              
RELATED PARTY TRANSACTIONS              
Shares receive per month     6,000        
Share options     50,000        
Share option term     6 months        
Strike price | $ / shares   $ 4.00          
Volume-weighted average term     6 months        
Exercise window term     5 years        
Incentive variable salary of shares     35,000        
Underperformance percentage     30.00%        
Overperformance percentage     30.00%        
Maximum overperformance     200.00%        
Key management personnel | Schuetz | Forecast              
RELATED PARTY TRANSACTIONS              
Share options       50,000      
Share option term       6 months      
Exercise window term       5 years      
Incentive variable salary of shares       35,000      
Underperformance percentage       30.00%      
Overperformance percentage       30.00%      
Maximum overperformance       200.00%      
Fixed salary amount used to determine the number of shares | €       € 250,000      
Preceding period       6 months