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v3.25.1

Net financial income (loss) - Additional Information (Details) - EUR (€) € in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2019 | Oct. 31, 2018
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Interest income on cash and cash equivalents | € 2,600 | € 1,200 |  |  |
Increase in cash and cash equivalents | (25,547) | 33,895 | € (42,533) |  |
Interest expense | 7,916 | 7,779 | 5,599 |  |
Valuation impact | (2,832) | (285) | 6,855 |  |
Non-current financial liabilities | 45,978 | 45,543 |  |  |
Foreign exchange gains | 5,220 | 785 | 3,277 |  |
Optimization of Cash Mangements |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Increase in cash and cash equivalents | 1,400 |  |  |  |
Janssen |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Adjustments for fair value losses |  | 4,200 |  |  |
USD / Euro exchange rate |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Foreign exchange gains | 3,000 |  | 2,100 |  |
Foreign exchange losses |  | 2,100 |  |  |
EIB fixed rate loan |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Interest expense | 7,900 | € 7,800 | € 5,600 |  |
Interest expense on borrowings | 7,800 |  |  |  |
Borrowings, interest rate |  | 21.30% | 21.30% | 5.00% | 6.00%
Impact of discounting and accretion | 2,800 | € (300) |  |  |
Increase (decrease) related to adjustments for income forecast projections | 14,200 |  |  |  |
Impact of debt discounting effect | 11,300 |  |  |  |
Valuation impact |  |  | € (6,900) |  |
Non-current financial liabilities | 19,000 | 19,200 | 27,500 |  |
Financial liabilities, at fair value | € 43,100 |  | 34,400 |  |
EIB fixed rate loan | Janssen |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Borrowings, interest rate | 21.30% |  |  |  |
Increase (decrease) related to adjustments for income forecast projections | € 14,200 |  |  |  |
EIB fixed rate loan | Fixed interest rate |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Interest expense | 1,700 | 1,600 | 1,600 |  |
EIB fixed rate loan | Variable interest rate |  |  |  |  |
Disclosure of financial instruments by type of interest rate [line items] |  |  |  |  |
Interest expense | € 6,100 | € 5,900 | € 3,700 |  |

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