v3.26.3
Loss Per Share - Summary Of Basic And Diluted Loss Per Share (Detail) - EUR (€)
€ / shares in Units, € in Thousands, shares in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
[1]
Earnings per share [abstract]    
Loss for the period € (47,938) € (34,476)
Dilutive effects on earnings per share [2] € (2.65) € (2.52)
Total loss for basic and diluted earnings per share € (47,938) € (34,476)
Number of shares    
Weighted average number of ordinary shares for basic and diluted 'earnings per share (thousand shares) 18,068 13,693
Basic And Diluted Earnings Loss Per Share [Abstract]    
Basic losses per share (euros per share) [2] € (2.65) € (2.52)
Diluted losses per share (euros per share) [2] € (2.65) € (2.52)
[1] As a consequence of the reverse stock split that occurred in 2025 , and in accordance with IAS 33, the Company has restated the comparative information.
[2] Unaudited