Accounts Receivable and Other Receivables, Net (Details) - EUR (€) |
6 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Accounts Receivable and Other Receivables, Net [Abstract] | |||
| Allowance for doubtful accounts | € 196,362 | € 174,888 | |
| Bad debt expense | 23,694 | € 0 | |
| Trade receivables | € 0 | € 283,457 | |