Schedule of non-cash investing and financing transactions (Details) - EUR (€) € in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Notes and other explanatory information [abstract] | ||
| Commitment shares | € 306 | |
| Macquarie conversions | 574 | 916 |
| Keystone note conversion | 1,939 | |
| Service warrants | 172 | |
| Share issuance at QIND merger | 14,626 | |
| Total non-cash investing and financing transactions | € 2,991 | € 15,542 |