| Revenue | 30/06/2018 | 30/06/2017 | 30/06/2016 | 30/06/2015 |
| Total revenue | 26,011,000 | 26,013,000 | 25,911,000 | 25,528,000 |
| Cost of revenue | 13,748,000 | 12,740,000 | 12,122,000 | 11,514,000 |
| Gross profit | 12,263,000 | 13,273,000 | 13,789,000 | 14,014,000 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 1,415,000 | 1,054,000 | 961,000 | 894,000 |
| Non-recurring | - | - | - | - |
| Others | 3,034,000 | 3,192,000 | 2,874,000 | 2,922,000 |
| Total operating expenses | 22,667,000 | 21,427,000 | 20,112,000 | 19,304,000 |
| Operating income or loss | 3,344,000 | 4,586,000 | 5,799,000 | 6,224,000 |
| Income from continuing operations |
| Total other income/expenses net | 1,758,000 | 1,061,000 | -199,000 | -364,000 |
| Earnings before interest and taxes | 3,344,000 | 4,586,000 | 5,799,000 | 6,224,000 |
| Interest expense | -683,000 | -751,000 | -811,000 | -811,000 |
| Income before tax | 5,102,000 | 5,647,000 | 5,600,000 | 5,860,000 |
| Income tax expense | 1,573,000 | 1,773,000 | 1,768,000 | 1,746,000 |
| Minority interest | -13,000 | 19,000 | 36,000 | 407,000 |
| Net income from continuing ops | 3,529,000 | 3,874,000 | 3,832,000 | 4,114,000 |
| Non-recurring events |
| Discontinued operations | - | - | 2,017,000 | 191,000 |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 3,563,000 | 3,891,000 | 5,780,000 | 4,231,000 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 3,563,000 | 3,891,000 | 5,780,000 | 4,231,000 |