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Financial liabilities - Schedule of Changes in Liabilities Arising from Financing Activities (Details) - EUR (€) € in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Liabilities Arising From Financing Activities [Roll Forward] |  |
Interest paid | € (336) | € (609)
Payment of lease liabilities | (568) | (521)
Cash flows used in financing activities | (2,830) | (2,655)
Liabilities Related to Financing Activities |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 50,902
Principal received | 0 |
Decrease in loans and conditional advances | (1,927) |
Interest paid | (335) |
Payment of lease liabilities | (568) |
Cash flows used in financing activities | (2,831) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | (1,031) |
Accumulated fixed interest expense accrual | 822 |
Accumulated variable interest expense accrual | 3,377 |
Non-cash from financing activities | 3,169 |
Liabilities arising from financing activities at end of period | 51,240 |
Of which Current | 4,735 |
Of which Non-Current | 46,505 |
Lease liabilities |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 4,230
Principal received | 0 |
Decrease in loans and conditional advances | 0 |
Interest paid | (69) |
Payment of lease liabilities | (568) |
Cash flows used in financing activities | (637) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | 0 |
Accumulated fixed interest expense accrual | 38 |
Accumulated variable interest expense accrual | 0 |
Non-cash from financing activities | 38 |
Liabilities arising from financing activities at end of period | 3,632 |
Of which Current | 1,247 |
Of which Non-Current | 2,385 |
Bpifrance advance | Long-term borrowings |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 1,606
Principal received | 0 |
Decrease in loans and conditional advances | (600) |
Interest paid | 0 |
Payment of lease liabilities | 0 |
Cash flows used in financing activities | (600) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | 3 |
Accumulated fixed interest expense accrual | 10 |
Accumulated variable interest expense accrual | 0 |
Non-cash from financing activities | 13 |
Liabilities arising from financing activities at end of period | 1,019 |
Of which Current | 438 |
Of which Non-Current | 581 |
Curadigm Bpi advance | Long-term borrowings |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 342
Principal received | 0 |
Decrease in loans and conditional advances | (75) |
Interest paid | 0 |
Payment of lease liabilities | 0 |
Cash flows used in financing activities | (75) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | 8 |
Accumulated fixed interest expense accrual | 0 |
Accumulated variable interest expense accrual | 0 |
Non-cash from financing activities | 8 |
Liabilities arising from financing activities at end of period | 275 |
Of which Current | 97 |
Of which Non-Current | 178 |
HSBC “PGE” | Long-term borrowings |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 1,891
Principal received | 0 |
Decrease in loans and conditional advances | (626) |
Interest paid | (11) |
Payment of lease liabilities | 0 |
Cash flows used in financing activities | (638) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | (4) |
Accumulated fixed interest expense accrual | 11 |
Accumulated variable interest expense accrual | 0 |
Non-cash from financing activities | 7 |
Liabilities arising from financing activities at end of period | 1,260 |
Of which Current | 1,260 |
Of which Non-Current | 0 |
Bpifrance “PGE” | Long-term borrowings |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | 2,198
Principal received | 0 |
Decrease in loans and conditional advances | (626) |
Interest paid | (22) |
Payment of lease liabilities | 0 |
Cash flows used in financing activities | (648) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | (1) |
Accumulated fixed interest expense accrual | 21 |
Accumulated variable interest expense accrual | 0 |
Non-cash from financing activities | 19 |
Liabilities arising from financing activities at end of period | 1,569 |
Of which Current | 1,262 |
Of which Non-Current | 307 |
EIB Loan |  |
Liabilities Arising From Financing Activities [Roll Forward] |  |
Liabilities arising from financing activities at beginning of period |  | € 40,635
Principal received | 0 |
Decrease in loans and conditional advances | 0 |
Interest paid | (233) |
Payment of lease liabilities | 0 |
Cash flows used in financing activities | (233) |
Indexation effect on current lease commitment | 0 |
Impact of discounting and catch-up | (1,036) |
Accumulated fixed interest expense accrual | 742 |
Accumulated variable interest expense accrual | 3,377 |
Non-cash from financing activities | 3,083 |
Liabilities arising from financing activities at end of period | 43,484 |
Of which Current | 430 |
Of which Non-Current | € 43,054 |

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- Definition The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 44B -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_a&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_a&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_a&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2025-01-01 -Paragraph 44D -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44D&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 166 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166&doctype=Standard -URIDate 2025-03-27 + Details
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