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Net financial income / (loss) - Disclosure of net financial income (loss) (Details) - EUR (€) € in Thousands | 6 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Analysis of income and expense [abstract] |  |
Interests on financial assets | € 1,269 | € 965
Change in valuation allowance on financial instruments | 1,471 | 1,044
Foreign exchange gains | 873 | 1,073
Financial income | 3,613 | 3,083
Foreign exchange losses | (1,763) | (642)
Unrealized losses on financial assets | 0 | 0
Interest on financial liabilities | (300) | (324)
Financial expenses | (2,064) | (966)
Net financial income (loss) | € 1,549 | € 2,116

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