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v3.25.2

Share Capital - Founder's Warrants, Warrants, Stock Options and Free Shares (Details) € in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 EUR (€) security | Jun. 30, 2024 EUR (€) | Dec. 31, 2023 EUR (€)
Disclosure Of Share Capital, Reserves And Other Equity Interest [Abstract] |  |  |
Number of security types (security) | security | 3 |  |
Net loss for the period | € | € (5,383) | € (21,872) | € 68,100

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