| Explanations in the notes | 2020 TCHF | in % | 2019 TCHF Adjusted 1 | in % | |
| Assets | |||||
| Cash and cash equivalents | 1) | 12,411 | 3.8% | 20,201 | 4.4% |
| Securities | 2) | 231 | 0.1% | 231 | 0.1% |
| Trade accounts receivables | 3) | 23,995 | 7.4% | 31,930 | 7.0% |
| Trade accounts receivables from related parties | 3) | 32,129 | 9.9% | 10,139 | 2.2% |
| Trade accounts receivables from associated companies | 3) | 115 | 0.0% | 7,119 | 1.6% |
| Other receivables | 3) | 2,768 | 0.9% | 3,238 | 0.7% |
| Other receivables from related parties | 3) | 40,602 | 12.5% | 64,191 | 14.1% |
| Inventories | 4) | 29,235 | 9.0% | 41,620 | 9.1% |
| Accrued income | 5) | 3,383 | 1.0% | 4,027 | 0.9% |
| Current assets | 144,869 | 44.7% | 182,695 | 40.1% | |
| Property and plant | 62,900 | 19.4% | 89,985 | 19.8% | |
| Other fixed assets | 107,515 | 33.2% | 168,974 | 37.1% | |
| Total fixed assets | 6) | 170,415 | 52.6% | 258,959 | 56.8% |
| Investments in associated companies | 32) | 2,846 | 0.9% | 2,496 | 0.5% |
| Financial assets | 7) | 4,174 | 1.3% | 9,979 | 2.2% |
| Intangible assets | 8) | 1,533 | 0.5% | 1,442 | 0.3% |
| Non-current assets | 178,969 | 55.3% | 272,876 | 59.9% | |
| Total assets | 323,838 | 100.0% | 455,572 | 100.0% | |
| Liabilities | |||||
| Trade payables | 9) | 22,057 | 6.8% | 37,110 | 8.1% |
| Trade payables to related parties | 9) | 0 | 0.0% | 3,599 | 0.8% |
| Trade payables to associated companies | 9) | 304 | 0.1% | 672 | 0.1% |
| Short-term financial liabilities | 10) | 0 | 0.0% | 12,407 | 2.7% |
| Other liabilities | 11) | 4,141 | 1.3% | 5,153 | 1.1% |
| Other liabilities to related parties | 11) | 0 | 0.0% | 163 | 0.0% |
| Accrued liabilities and deferred income | 12) | 4,135 | 1.3% | 4,527 | 1.0% |
| Short-term provisions | 14) | 768 | 0.2% | 4,903 | 1.1% |
| Current liabilities | 31,406 | 9.7% | 68,533 | 15.0% | |
| Non-current financial liabilities | 13) | 100,000 | 30.9% | 112,497 | 24.7% |
| Non-current financial liabilities to related parties | 13) | 0 | 0.0% | 0 | 0.0% |
| Non-current financial liabilities to associated companies | 13) | 0 | 0.0% | 870 | 0.2% |
| Non-current provisions | 14) | 11,885 | 3.7% | 15,856 | 3.5% |
| Non-current liabilities | 111,885 | 34.5% | 129,223 | 28.4% | |
| Share capital | 15) | 21,518 | 6.6% | 17,584 | 3.9% |
| Treasury shares | 25) | –7,105 | –2.2% | –7,105 | –1.6% |
| Capital reserves | 15) | 164,490 | 50.6% | 179,724 | 39.5% |
| Mandatory convertible bond | 15) | 0 | 0.0% | 110,773 | 24.3% |
| Hybrid capital | 15) | 116,437 | 36.0% | 116,437 | 25.6% |
| Profit reserves | –44,745 | –13.8% | 84,740 | 18.6% | |
| Net result (shareholder) | –70,133 | –21.4% | –239,200 | –52.5% | |
| Equity excl. minority interests | 180,461 | 55.7% | 262,951 | 57.7% | |
| Minority interests | 87 | 0.0% | –5,135 | –1.1% | |
| Shareholders' equity | 180,548 | 55.8% | 257,816 | 56.6% | |
| Total liabilities and equity | 323,838 | 100.0% | 455,572 | 100.0% |