Borrowings (Details) - EUR (€) € in Thousands |
1 Months Ended | 3 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2022 |
Dec. 31, 2023 |
Jun. 30, 2025 |
Dec. 31, 2024 |
Oct. 12, 2018 |
|
| Disclosure of detailed information about borrowings [line items] | |||||
| Total borrowings | € 4,727 | € 4,582 | |||
| Current portion | 4,727 | 4,582 | |||
| Pontifax and Kreos warrants | |||||
| Disclosure of detailed information about borrowings [line items] | |||||
| Warrants, economic lifetime | 5 years | ||||
| Innovation credit | |||||
| Disclosure of detailed information about borrowings [line items] | |||||
| Borrowings excluding accrued interest | 2,899 | 2,899 | |||
| Accrued interest | 1,828 | € 1,683 | |||
| Current borrowings excluding accrued interest | € 2,899 | ||||
| Notional amount | € 3,907 | ||||
| Repayment of borrowings | € 1,008 | ||||
| Total conditional waiver of debt | € 4,292 |