Other non-current assets - Additional information (Details) - EUR (€) € in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2025 |
|
| Other non-current assets | |||
| Non-current advances to suppliers | € 1,047 | € 1,047 | € 1,047 |
| Other non-current assets | 1,047 | 10,055 | 1,162 |
| Long-term deposit accounts | € 9,000 | 115 | |
| Long-term deposit forward contract | |||
| Other non-current assets | |||
| Closing long term deposit | € 9,000 | ||
| Period of long-term deposit | 2 years | 2 years | |
| Contract CRO with Pharmaceutical Research Associates B.V. | |||
| Other non-current assets | |||
| Non-current advances to suppliers | € 1,000 | € 1,000 | € 1,000 |