| Quarterly Key Indicators | Q4/24 | Q3/24 | Q2/24 | Q1/2024 | Q4/2023 |
| Net sales, M€ | 7.9 | 6.4 | 7.0 | 6.2 | 5.9 |
| Operating result before depreciation (EBITDA), M€ | 0.5 | -0.7 | -0.8 | -1.1 | -1.3 |
| Operating result (EBIT), M€ | 0.1 | -1.2 | -1.2 | -1.6 | -1.8 |
| of net sales, % | 1% | -19% | -17% | -26% | -30% |
| Profit/loss before taxes, M€ | 0.0 | -1.3 | -1.3 | -1.7 | -1.9 |
| of net sales, % | 0% | -21% | -19% | -27% | -32% |
| Net profit/loss for the period, M€ | 0.9 | -1.3 | -1.3 | -1.7 | -1.5 |
| of net sales, % | 11% | -21% | -19% | -27% | -26% |
| Received orders | 8.7 | 14.1 | 6.6 | 7.5 | 2.3 |
| Order book at the end of period | 19.9 | 19.1 | 11.3 | 11.8 | 10.5 |
| Equity ratio, % | 54% | 56% | 58% | 65% | 72% |
| Gearing, % | 37% | 36% | 25% | 17% | 3% |
| Gross investments in fixed assets, M€ | 0.2 | 0.0 | 0.0 | 0.2 | 0.3 |
| of net sales, % | 3% | 0% | 1% | 3% | 6% |
| Personnel, end of the quarter | 165 | 164 | 154 | 163 | 162 |
| Earnings/share (EPS), € | 0.12 | -0.20 | -0.19 | -0.24 | -0.22 |
| Equity/share, € | 2.24 | 2.11 | 2.30 | 2.50 | 2.74 |
