General and Administrative Expenses (Details) - EUR (€) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| General and Administrative Expenses [Line Items] | ||||
| General and administration expenses | € 3,279,485 | € 3,226,098 | € 8,342,090 | € 6,805,249 |
| Other general and administrative expenses | 800,000 | 800,000 | 1,600,000 | 1,800,000 |
| Personnel Cost [Member] | ||||
| General and Administrative Expenses [Line Items] | ||||
| General and administration expenses | 1,700,000 | 1,700,000 | 4,300,000 | 3,700,000 |
| Legal, Consulting and Audit Fees [Member] | ||||
| General and Administrative Expenses [Line Items] | ||||
| General and administration expenses | € 800,000 | € 700,000 | € 2,400,000 | € 1,300,000 |