| Revenue | 30/06/2018 | 30/06/2017 | 30/06/2016 | 30/06/2015 |
| Total revenue | 1,920,000 | 1,660,000 | 1,382,000 | 1,150,000 |
| Cost of revenue | 1,451,000 | 1,255,000 | 1,048,000 | 876,000 |
| Gross profit | 469,000 | 405,000 | 334,000 | 274,000 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 87,000 | 83,000 | 73,000 | 61,000 |
| Non-recurring | - | - | - | - |
| Others | - | - | - | - |
| Total operating expenses | 1,538,000 | 1,338,000 | 1,121,000 | 937,000 |
| Operating income or loss | 382,000 | 322,000 | 261,000 | 213,000 |
| Income from continuing operations |
| Total other income/expenses net | -2,000 | -7,000 | -11,000 | -9,000 |
| Earnings before interest and taxes | 382,000 | 322,000 | 261,000 | 213,000 |
| Interest expense | -10,000 | -12,000 | -14,000 | -12,000 |
| Income before tax | 380,000 | 315,000 | 250,000 | 204,000 |
| Income tax expense | 72,000 | 62,000 | 50,000 | 42,000 |
| Minority interest | - | - | - | - |
| Net income from continuing ops | 308,000 | 253,000 | 200,000 | 162,000 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 308,000 | 253,000 | 200,000 | 162,000 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 308,000 | 253,000 | 200,000 | 162,000 |