| Revenue | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| Total revenue | 81,335 | 145,500 | 183,043 | 171,905 |
| Cost of revenue | 61,447 | 111,338 | 122,674 | 116,433 |
| Gross profit | 19,888 | 34,162 | 60,369 | 55,472 |
| Operating expenses |
| Research development | - | 3,208 | 5,818 | 2,541 |
| Selling general and administrative | 18,548 | 20,229 | 51,973 | 49,021 |
| Non-recurring | - | - | - | - |
| Others | 1,775 | 488 | 488 | 488 |
| Total operating expenses | 81,770 | 132,055 | 180,465 | 167,995 |
| Operating income or loss | -435 | 13,445 | 2,578 | 3,910 |
| Income from continuing operations |
| Total other income/expenses net | -741 | -34 | -1,676 | -330 |
| Earnings before interest and taxes | -435 | 13,445 | 2,578 | 3,910 |
| Interest expense | -796 | -552 | -1,329 | -1,465 |
| Income before tax | -1,176 | 13,411 | 902 | 3,580 |
| Income tax expense | - | 470 | 288 | 305 |
| Minority interest | - | -1,235 | -893 | -485 |
| Net income from continuing ops | -1,176 | 12,941 | 614 | 3,275 |
| Non-recurring events |
| Discontinued operations | -8,340 | -11,955 | -11,955 | -11,955 |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | -9,386 | 1,335 | 1,013 | 3,513 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | -9,386 | 1,335 | 1,013 | 3,513 |