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Intangible Assets - Schedule of Intangible Assets (Details) - EUR (€) € in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross | € 18,970 | € 915
Less accumulated amortization | (1,301) | (134)
Net | 17,669 | 781
Goodwill | 10,074 | 75
Impairment of intangibles | (15,912) |
Total | 11,831 | 856
Customer relationships (season ticket holders) [Member] |  |
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross | 1,500 |
Broadcasting rights/sports titles/stadium lease [Member] |  |
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross | 2,675 | 75
Brand [Member] |  |
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross | 9,640 | 710
Player contracts [Member] |  |
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross | 5,155 | 130
Other [Member] |  |
Schedule of Intangible Assets [Line Items] |  |
Intangible assets - gross |  |

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