v3.26.1
Shareholder's Equity - Additional information (Details) - EUR (€)
12 Months Ended
Nov. 14, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Shareholder's Equity          
Exercise price for SPAs exercised   € 1 € 1    
Shares issued in relation to share based compensation   225,451      
Treasury shares repurchased 290,000        
Purchase of treasury shares € 1,548,000 € 1,548,000      
Average cost per acquired share € 5.34        
Shares available to issue   47,337,852      
Additional capital authorised   € 35,434,147      
Number of shares in entity held by entity or by its subsidiaries or associates   319,507 167,415 250,000 250,000
Proportion of treasury shares to total share capital   0.20% 0.10%    
Share Performance Plans and Stock Option Plans          
Shareholder's Equity          
Shares available to issue   11,947,322      
Holders or creditors of convertible bonds and/or bonds with warrants, profit participation rights and/or income bonds          
Shareholder's Equity          
Shares available to issue   35,390,530