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Reporting Entity and Group Information (Details)
$ / shares in Units, € in Thousands
 12 Months Ended
May 08, 2026
USD ($)
$ / shares
shares
Apr. 15, 2026
USD ($)
$ / shares
shares
Apr. 10, 2026
USD ($)
$ / shares
shares
Apr. 09, 2026
$ / shares
shares
Apr. 02, 2026
USD ($)
Dec. 31, 2025
EUR (€)
shares
Dec. 31, 2024
EUR (€)
shares
Dec. 31, 2023
EUR (€)
shares
May 12, 2026
EUR (€)
Dec. 28, 2023
EUR (€)
Dec. 28, 2023
USD ($)
Reporting Entity and Group Information [Line Items]                      
Net losses           € (55,878) € (97,959) € (55,081)      
Inventories           51,010 63,666 € 39,119      
Long-term loans and payables position           59,184 126,381        
Short-term loans and payables position           41,609 € 61,834        
Revenue steam           € 83,800          
Percentage of revenues           82.00%          
Pending project proposals           € 256,000          
Order backlog           9,000          
Number of warrants (in Shares) | shares             7,300,003 3,216,667      
Aggregate exercise price of warrants (in Dollars)           € 26,950 € 9,260      
Warrant position                   € 1,989 $ 2,198,000
Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Equity investor percentage                 51.00%    
Aggregate of ordinary shares (in Shares) | shares           66,666          
Gross proceeds from exercise of subscription rights (in Dollars) | $ $ 6,300,000                    
Credit lines from shareholders                 € 56,400    
Undrawn, credit lines from the shareholders.                 41,100    
Amount of drawings                 € 30,000    
ADSE Holdco [Member]                      
Reporting Entity and Group Information [Line Items]                      
Equity investor percentage           29.82% 33.65%        
Lucerne Master Fund [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares           5,105,379          
Lucerne Master Fund [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate cash consideration (in Dollars) | $ $ 12,556,857.89       $ 12,500,000            
Aggregate of ordinary shares (in Shares) | shares       5,172,045   5,105,379          
Aggregate of ordinary shares price (in Dollars per share) | $ / shares       $ 0.0001              
Lucerne Master Fund [Member] | Top of Range [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrant position           € 54,809          
Lucerne Master Fund [Member] | Top of Range [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrant position           54,809          
Lucerne Master Fund [Member] | Bottom of Range [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrant position           7,388          
Lucerne Master Fund [Member] | Bottom of Range [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrant position           € 7,388          
AEMF SPV LLC [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate cash consideration (in Dollars) | $         12,500,000            
AIMF SPV LLC [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate cash consideration (in Dollars) | $         $ 12,500,000            
Ayrton [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Number of warrants (in Shares) | shares 742,924                    
Anson [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Number of warrants (in Shares) | shares 1,084,360                    
Lucerne Special Opportunity Fund [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares           66,666          
Subscription Agreements [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares 6,324,000                    
Aggregate of ordinary shares price (in Dollars per share) | $ / shares $ 1                    
Service [Member]                      
Reporting Entity and Group Information [Line Items]                      
Revenue steam             € 4,700        
Percentage of revenues             83.00%        
Commercial and industrial [Member]                      
Reporting Entity and Group Information [Line Items]                      
Revenue steam           € 513          
Percentage of revenues           31.00%          
Lucerne Warrants [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares           5,172,045          
Lucerne Warrants [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares           5,172,045          
Number of exercising warrants (in Shares) | shares   66,666 5,105,379                
Exercise price per warrants (in Dollars per share) | $ / shares   $ 1 $ 1                
Aggregate exercise price of warrants (in Dollars) | $   $ 66,666 $ 5,105,379                
Lucerne Warrants [Member] | Top of Range [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrants adjusted per share (in Dollars per share) | $ / shares       6.2              
Lucerne Warrants [Member] | Bottom of Range [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Warrants adjusted per share (in Dollars per share) | $ / shares       $ 1              
Investors [Member] | Forecast [Member]                      
Reporting Entity and Group Information [Line Items]                      
Aggregate of ordinary shares (in Shares) | shares 6,324,000