| Quarterly Key Indicators | Q1/2024 | Q4/2023 | Q3/2023 | Q2/2023 | Q1/2023 |
| Net sales, M€ | 6.2 | 5.9 | 8.1 | 9.5 | 8.9 |
| Operating result before depreciation (EBITDA), M€ | -1.1 | -1.3 | -0.2 | 0.9 | 0.8 |
| Operating result (EBIT), M€ | -1.6 | -1.8 | -0.7 | 0.4 | 0.3 |
| of net sales, % | -26 % | -30% | -9% | 4% | 4% |
| Profit/loss before taxes, M€ | -1.7 | -1.9 | -0.8 | 0.3 | 0.3 |
| of net sales, % | -27% | -32% | -10% | 4% | 3% |
| Net profit/loss for the period, M€ | -1.7 | -1.5 | -0.8 | 0.3 | 0.3 |
| of net sales, % | -27% | -26% | -10% | 4% | 3% |
| Received orders | 7.5 | 2.3 | 7.1 | 5.4 | 13.7 |
| Order book at the end of period | 11.8 | 10.5 | 14.0 | 15.0 | 19.1 |
| Equity ratio, % | 65% | 72% | 66% | 68% | 73% |
| Gearing, % | 17% | 3% | 19% | 15% | 2% |
| Gross investments in fixed assets, M€ | 0.2 | 0.3 | 1.2 | 0.8 | 0.4 |
| of net sales, % | 3% | 6% | 15% | 8% | 4% |
| Personnel, end of the quarter | 163 | 162 | 164 | 167 | 156 |
| Earnings/share (EPS), € | -0.24 | -0.22 | -0.11 | 0.05 | 0.04 |
| Equity/share, € | 2.50 | 2.74 | 2.96 | 3.08 | 3.24 |
