| 2015 CHF | 2014 CHF | |
| 1.1.15–31.12.15 | 1.1.14–31.12.14 | |
| Net profit | 13,024,228 | 16,138,523 |
| Depreciation of property, plant and equipment and amortisation of intangible assets | 10,309,136 | 7,181,274 |
| Net interest expense | 1,614,934 | 2,303,695 |
| Other non-cash adjustments | –303,443 | 62,343 |
| Change in short-term provisions | –474,139 | 0 |
| Change in long-term provisions | 983,570 | –464,487 |
| Accounting losses (profits) from sales of fixed assets | 50,362 | 88,560 |
| Income from associates and joint ventures | –334,780 | 0 |
| Earned capital | 24,869,868 | 25,309,909 |
| As % of net sales revenue | 4.57% | 6.02% |
| Change in trade receivables | 8,658,497 | –4,619,332 |
| Change in trade receivables from related parties | –472,908 | 580,244 |
| Change in short-term receivables | 512,121 | –2,092,426 |
| Change in inventories | –2,434,816 | –6,061,922 |
| Change in prepayments | –4,315,840 | –3,864,423 |
| Change in liabilities from deliveries and services | –11,022,126 | 3,398,297 |
| Change in other short-term liabilities | 8,115,991 | 3,016,450 |
| Change in other short-term liabilities of related parties | 1,500 | 0 |
| Change in deferred income | –4,901,153 | 4,879,644 |
| Change in net current assets | –5,858,735 | –4,763,469 |
| Cash flow from operating activities | 19,011,133 | 20,546,440 |
| As % of net sales revenue | 3.49% | 4.88% |
| Investments in fixed assets | –22,211,272 | –16,952,189 |
| Divestments of fixed assets | 65,845 | 151,100 |
| Investments in intangible assets | –761,912 | –1,338,560 |
| Divestments of intangible assets | 0 | 375,097 |
| Investments in/divestments of long-term financial assets | –58,391 | 381,009 |
| Net cash flow from the purchase (-)/sale (+) of investments | 0 | –15,096,445 |
| Interest and dividends received | 218,807 | 30,608 |
| Cash flow from investing activities | –22,746,922 | –32,449,380 |
| Free cash flow | –3,735,789 | –11,902,940 |
| As % of net sales revenue | –0.69% | –2.83% |
| Change in short-term financial liabilities | –5,269,155 | 40,666,431 |
| Change in non-current financial liabilities | –31,382,797 | –52,130,894 |
| Additions/disposals of minority interests in capital and profit | 2,310,047 | –211,177 |
| Capital increase incl. premium from the conversion of the convertible bond | 44,320,371 | 4,876,524 |
| Capital increase from authorised capital | 0 | 17,166,283 |
| Capital increase of subsidiaries due to currency effects | –27,192 | 0 |
| Sale (purchase) own shares net cash flow | –2,985,676 | –510,735 |
| Interest paid | –1,833,741 | –2,334,303 |
| Dividend payments | –4,133,157 | –2,872,310 |
| Cash flow from financing activities | 998,700 | 4,649,819 |
| Currency translation | –619,345 | –304,735 |
| Net change in cash and cash equivalents | –3,356,434 | –7,557,857 |
| Cash and cash equivalents at 1 January | 46,379,658 | 53,937,515 |
| Cash and cash equivalents at 31 January | 43,023,224 | 46,379,658 |