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Financial instruments recognized in the statement of financial position and related effect on the income statement - Disclosure of detailed information about financial instruments (Details) - EUR (€) € in Thousands | Jun. 30, 2024 | Dec. 31, 2023
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Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | € 136,422 | € 168,363
Financial assets, fair value | 136,422 | 168,363
Financial liabilities | 51,376 | 56,911
Financial liabilities, fair value | 51,376 | 56,911
Financial liabilities at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 0 | 0
Financial liabilities at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 51,376 | 56,911
Financial liabilities—non-current portion |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 26,574 | 30,957
Financial liabilities, fair value | 26,574 | 30,957
Financial liabilities—non-current portion | Financial liabilities at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 0 | 0
Financial liabilities—non-current portion | Financial liabilities at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 26,574 | 30,957
Financial liabilities—current portion |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 8,929 | 8,936
Financial liabilities, fair value | 8,929 | 8,936
Financial liabilities—current portion | Financial liabilities at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 0 | 0
Financial liabilities—current portion | Financial liabilities at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 8,929 | 8,936
Trade payables and others |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 15,873 | 17,018
Financial liabilities, fair value | 15,873 | 17,018
Trade payables and others | Financial liabilities at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 0 | 0
Trade payables and others | Financial liabilities at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial liabilities | 15,873 | 17,018
Financial assets at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 102,149 | 102,252
Financial assets at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 34,273 | 66,111
Non-current financial assets |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 10,350 | 9,796
Financial assets, fair value | 10,350 | 9,796
Non-current financial assets | Financial assets at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 10,350 | 9,796
Non-current financial assets | Financial assets at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Trade receivables and others |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 34,273 | 66,111
Financial assets, fair value | 34,273 | 66,111
Trade receivables and others | Financial assets at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Trade receivables and others | Financial assets at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 34,273 | 66,111
Short-term investments |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 21,809 | 21,851
Financial assets, fair value | 21,809 | 21,851
Short-term investments | Financial assets at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 21,809 | 21,851
Short-term investments | Financial assets at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Cash and cash equivalents |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 69,990 | 70,605
Financial assets, fair value | 69,990 | 70,605
Cash and cash equivalents | Financial assets at fair value through profit or loss, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 69,990 | 70,605
Cash and cash equivalents | Financial assets at amortised cost, category |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | € 0 | € 0

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