v3.26.3
Accounting Policies (Details) - EUR (€)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2025
Dec. 31, 2024
Accounting Policies [Line Items]          
Net losses € (42,025,000) € (14,766,000) € 97,959,000    
Inventory stock 48,818,000     € 51,010,000 € 63,666,000
Short-term loans and payables position 46,560,000 41,609,000 61,834,000    
Long-term loans and payables position 27,276,000 59,184,000 126,381,000    
Revenue 7,352,000 14,614,000 € 79,263,000    
Percentage of revenue from the stream       82.00%  
Revenue from rendering of services 4,500,000     € 4,700,000  
Percentage of revenue from service       83.00%  
Increase in business revenue       € 513,000  
Percentage of increase in business revenue       31.00%  
Amount of pending project proposals 156,000,000        
RevenueFromRenderingOfProject 18,000,000        
Available credit lines from shareholders 56,400,000        
Unknown credit losses € 41,100,000        
Investor sell percentage 51.00%        
Business plan drawings amount € 30,000,000        
ADSE [Member]          
Accounting Policies [Line Items]          
Net losses   € 55,878,000      
Charge box (CBX) [Member]          
Accounting Policies [Line Items]          
Revenue       € 83,800