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Share Capital (Details)
1 Months Ended 12 Months Ended
Apr. 05, 2024
EUR (€)
€ / shares
shares
Sep. 22, 2023
USD ($)
$ / shares
shares
Feb. 28, 2023
shares
Dec. 31, 2025
EUR (€)
€ / shares
shares
Dec. 31, 2024
EUR (€)
shares
Dec. 31, 2023
EUR (€)
shares
Dec. 31, 2022
EUR (€)
shares
Share Capital [Line Items]              
Number of shares authorized       75,085,700      
Par value per share | (per share)   $ 5   € 0.05      
Ordinary shares issued   5,000,000          
Proceeds of issuances   $ 5,000,000   € 3,354,781  
Offering costs (in Euro) | €           1,350,200  
Reverse stock split     20-for-1        
Ordinary shares, outstanding     50,085,700        
Share capital (in Euro) | €       2,754,285 2,754,285    
Stock-based compensation expense (in Euro) | €       € 132,015 103,810    
RSUs value forfeited       52,586      
RSUs value forfeited (in Euro) | €       € 11,315      
Stock-based compensation expense (in Euro) | €       132,015 103,810  
Unrecognized stock-based compensation (in Euro) | €       € 135,924 € 267,940    
Weighted-average period       2 years 2 years 6 months    
American Depositary Shares [Member]              
Share Capital [Line Items]              
Issuance of ordinary shares   1,000,000          
Restricted Stock Units [Member]              
Share Capital [Line Items]              
Issuance of ordinary shares 1,780,328            
RSUs value 1,780,328     1,727,742      
Number of shares issued on conversion 356,067            
Share-based payment reserve (in Euro) | €       € 0 € 88,247    
RSUs value forfeited       371,749      
Grant restrict stock unit 1,780,328            
Stock-based compensation expense (in Euro) | € € 383,064       € 383,064    
Grant price (in Euro per share) | € / shares € 1.08            
RSUs shares         1,780,328    
Ordinary Shares [Member]              
Share Capital [Line Items]              
Issuance of ordinary shares       55,085,700 55,085,700 5,000,000 50,000,000
Proceeds of issuances | €           € 3,354,781 € 2,500,000
Pre-stock split             2,500,000
Ordinary shares, outstanding       55,085,700 55,085,700    
Stock Split [Member]              
Share Capital [Line Items]              
Issuance of ordinary shares     2,504,285        
Share Capital [Member]              
Share Capital [Line Items]              
Share capital (in Euro) | €       € 2,754,285 € 2,754,285