| Revenue | 30/06/2018 | 30/06/2017 | 30/06/2016 | 30/06/2015 |
| Total revenue | 15,452,000 | 17,395,000 | 15,327,000 | 16,722,000 |
| Cost of revenue | 9,692,000 | 11,799,000 | 9,935,000 | 10,919,000 |
| Gross profit | 5,760,000 | 5,596,000 | 5,392,000 | 5,803,000 |
| Operating expenses |
| Research development | - | - | - | - |
| Selling general and administrative | 133,000 | 110,000 | 102,000 | 102,000 |
| Non-recurring | - | - | - | - |
| Others | 2,443,000 | 2,268,000 | 2,031,000 | 2,170,000 |
| Total operating expenses | 12,443,000 | 14,345,000 | 12,233,000 | 13,244,000 |
| Operating income or loss | 3,009,000 | 3,050,000 | 3,094,000 | 3,478,000 |
| Income from continuing operations |
| Total other income/expenses net | -1,432,000 | -1,442,000 | -1,587,000 | -1,816,000 |
| Earnings before interest and taxes | 3,009,000 | 3,050,000 | 3,094,000 | 3,478,000 |
| Interest expense | -1,432,000 | -1,442,000 | -1,587,000 | -1,816,000 |
| Income before tax | 1,577,000 | 1,608,000 | 1,507,000 | 1,662,000 |
| Income tax expense | 505,000 | 523,000 | 462,000 | 522,000 |
| Minority interest | 10,000 | 8,000 | 9,000 | 35,000 |
| Net income from continuing ops | 1,072,000 | 1,085,000 | 1,045,000 | 1,140,000 |
| Non-recurring events |
| Discontinued operations | - | - | - | - |
| Extraordinary items | - | - | - | - |
| Effect of accounting changes | - | - | - | - |
| Other items | - | - | - | - |
| Net income |
| Net income | 1,059,000 | 1,075,000 | 1,038,000 | 1,133,000 |
| Preferred stock and other adjustments | - | - | - | - |
| Net income applicable to common shares | 1,059,000 | 1,075,000 | 1,038,000 | 1,133,000 |