| Revenue | 30/12/2018 | 31/12/2017 | 01/01/2017 | 03/01/2016 |
| Total revenue | 81,581,000 | 76,450,000 | 71,890,000 | 70,074,000 |
| Cost of revenue | 26,986,000 | 24,939,000 | 21,789,000 | 21,455,000 |
| Gross profit | 54,595,000 | 51,511,000 | 50,101,000 | 48,619,000 |
| Operating expenses |
| Research development | 10,775,000 | 10,594,000 | 9,143,000 | 9,046,000 |
| Selling general and administrative | 22,413,000 | 21,295,000 | 19,793,000 | 21,203,000 |
| Non-recurring | - | - | - | - |
| Others | - | - | - | - |
| Total operating expenses | 60,174,000 | 56,828,000 | 50,725,000 | 51,704,000 |
| Operating income or loss | 21,407,000 | 19,622,000 | 21,165,000 | 18,370,000 |
| Income from continuing operations |
| Total other income/expenses net | -3,408,000 | -1,949,000 | -1,362,000 | 826,000 |
| Earnings before interest and taxes | 21,407,000 | 19,622,000 | 21,165,000 | 18,370,000 |
| Interest expense | -1,005,000 | -934,000 | -726,000 | -552,000 |
| Income before tax | 17,999,000 | 17,673,000 | 19,803,000 | 19,196,000 |
| Income tax expense | 2,702,000 | 16,373,000 | 3,263,000 | 3,787,000 |
| Minority interest | - | - | - | - |
| Net income from continuing ops | 15,297,000 | 1,300,000 | 16,540,000 | 15,409,000 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 15,297,000 | 1,300,000 | 16,540,000 | 15,409,000 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 15,297,000 | 1,300,000 | 16,540,000 | 15,409,000 |