Equity Based Compensation - Schedule of Stock Based Compensation (Details) - EUR (€) € in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 05, 2025 |
Dec. 31, 2024 |
Dec. 05, 2024 |
Dec. 31, 2023 |
Dec. 05, 2023 |
|
| Schedule of Stock Based Compensation [Line Items] | ||||||
| Total | € 269,125 | € 269,125 | € 961 | € 961 | € 388 | € 388 |
| Equity based compensation for strategic advisors [Member] | ||||||
| Schedule of Stock Based Compensation [Line Items] | ||||||
| Total | 261,389 | |||||
| Equity based compensation for other parties [Member] | ||||||
| Schedule of Stock Based Compensation [Line Items] | ||||||
| Total | 3,228 | |||||
| Restricted stock units, share options and restricted stock awards [Member] | ||||||
| Schedule of Stock Based Compensation [Line Items] | ||||||
| Total | € 4,508 | 4,508 | € 961 | 961 | € 190 | 190 |
| Warrant expenses [Member] | ||||||
| Schedule of Stock Based Compensation [Line Items] | ||||||
| Total | € 198 | |||||