| Revenue | 31/12/2018 | 31/12/2017 | 31/12/2016 | 31/12/2015 |
| Total revenue | 10,799,000 | 9,184,000 | 7,115,000 | 6,716,000 |
| Cost of revenue | 4,093,000 | 3,328,000 | 2,934,000 | 2,704,000 |
| Gross profit | 6,706,000 | 5,856,000 | 4,181,000 | 4,012,000 |
| Operating expenses |
| Research development | 190,000 | 60,000 | 214,000 | 214,000 |
| Selling general and administrative | 4,848,000 | 4,141,000 | 1,750,000 | 1,678,000 |
| Non-recurring | - | - | - | - |
| Others | -4,000 | -18,000 | 879,000 | 856,000 |
| Total operating expenses | 9,127,000 | 7,511,000 | 5,841,000 | 5,501,000 |
| Operating income or loss | 1,672,000 | 1,673,000 | 1,274,000 | 1,215,000 |
| Income from continuing operations |
| Total other income/expenses net | -377,000 | -416,000 | -109,000 | -94,000 |
| Earnings before interest and taxes | 1,672,000 | 1,673,000 | 1,274,000 | 1,215,000 |
| Interest expense | -72,000 | -92,000 | -71,000 | -71,000 |
| Income before tax | 1,295,000 | 1,257,000 | 1,165,000 | 1,121,000 |
| Income tax expense | 139,000 | 215,000 | 285,000 | 308,000 |
| Minority interest | 438,000 | 6,000 | 366,000 | 385,000 |
| Net income from continuing ops | 1,156,000 | 1,042,000 | 880,000 | 813,000 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 1,087,000 | 1,040,000 | 813,000 | 757,000 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 1,087,000 | 1,040,000 | 813,000 | 757,000 |