| Audited (thousand euros) | 1.1.–31.12.2025 | 1.1.–31.12.2024 | 1.1.–31.12.2023 | 1.1.–31.12.2022 | 1.1.–31.12.2021 | 1.1.–31.12.2020 |
| Net sales | 54 648 | 35 834 | 29 031 | 16 204 | 14 770 | 6 500 |
| Operating margin (EBITDA) | 1 815 | -798 | 187 | 591 | 828 | 41 |
| % of net sales | 3.3% | -2.2% | 0.6% | 3.6 % | 5.6 % | 0.6 % |
| Operating result (EBIT) | 318 | -2 055 | -509 | 106 | 333 | -360 |
| % of net sales | 0.6% | -5.7% | -1.8% | 0.7 % | 2.3 % | -5.5 % |
| Profit (loss) for the financial year | -1 115 | -2 654 | -798 | -108 | -994 | -465 |
| Interest-bearing net liabilities | 2 870 | -1 167 | 1 400 | -1 445 | -7 169 | 2 096 |
| Order book | 24 479 | 29 953 | 13 841 | 9 068 | 8 388 | 10 066 |
| Equity ratio, % | 36.1% | 35.7% | 57.1% | 52.5 % | 64.0 % | 32.3 % |
| Net gearing ratio, % | 27.6% | -12.2% | -11.6% | -11.2 % | -55.1 % | 105.1 % |
| Return on equity (ROE), % | -11.2% | -24.5% | -6.4% | -0.8 % | -13.3 % | -23.3 % |
| Number of personnel on average | 141 | 117 | 88 | 68 | 57 | 47 |
| Operating margin (EBITDA) | = | Net sales +/- Increase or decrease in finished goods and work in progress and inventories + manufacturing for own use + other operating income – materials and services – personnel costs – other operating expenses |
| EBITDA margin on net sales, % | = | EBITDA margin / net sales |
| Operating profit on net sales, % | = | Operating profit / net sales |
| Net interest-bearing liabilities | = | Interest-bearing liabilities – cash and bank balances |
| Order backlog | = | The proportion of customer orders outstanding or partially invoiced at the end of the accounting period |
| Equity ratio, % | = | Total equity / Balance sheet total |
| Net gearing, % | = | (Interest-bearing liabilities – cash and cash equivalents) / Total equity |
| Return on equity, % | = | Profit (loss) for the period / Average equity during the period1 |