Schedule of loans and borrowings (Details) - EUR (€) € in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Notes and other explanatory information [abstract] | ||
| Convertible promissory notes (QIND), net of discount | € 1,694 | € 1,760 |
| Consolidation adjustment | (3) | (3) |
| Total loans and borrowings | € 1,691 | € 1,757 |