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Related Party Transactions - Schedule of Shares Issued and Held by Related Parties (Details) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Directors and former directors [Member] |  |
Schedule of Shares Issued and Held by Related Parties [Line Items] |  |
Shares held, related parties | 63,250 | 33,280
Carrying Value, related parties | € 5,482 | € 557
Directors that are also Strategic Advisors [Member] |  |
Schedule of Shares Issued and Held by Related Parties [Line Items] |  |
Shares held, related parties | 894,790 |
Carrying Value, related parties | € 152,975 |
Affiliates of directors and former directors [Member] |  |
Schedule of Shares Issued and Held by Related Parties [Line Items] |  |
Shares held, related parties | 1,377,136 | 69,600
Carrying Value, related parties | € 119,393 | € 2,995
Officers and former officers [Member] |  |
Schedule of Shares Issued and Held by Related Parties [Line Items] |  |
Shares held, related parties |  |
Carrying Value, related parties | € 2,345 |
Other related parties [member] |  |
Schedule of Shares Issued and Held by Related Parties [Line Items] |  |
Shares held, related parties | 204,424 | 22,000
Carrying Value, related parties | € 33,485 | € 1,608

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- Definition The amounts payable resulting from related party transactions. [Refer: Total for all related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2025-01-01 -Paragraph 20 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2025-01-01 -Paragraph 18 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_18_b&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 230 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230_b&doctype=Standard -URIDate 2025-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph 230 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_230_b&doctype=Standard -URIDate 2025-03-27 + Details
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