| Revenue | 3/31/2017 | 3/31/2016 | 3/31/2015 | 3/31/2014 |
| Total Revenue | 1,118,000 | 1,147,000 | 1,107,000 | 1,098,000 |
| Cost of Revenue | 1,066,000 | 1,097,000 | 1,040,000 | 1,030,000 |
| Gross Profit | 52,000 | 51,000 | 68,000 | 68,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | - | - | - | - |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 1,072,000 | 1,105,000 | 1,069,000 | 1,063,000 |
| Operating Income or Loss | 46,000 | 42,000 | 38,000 | 35,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | - | - | - | - |
| Earnings Before Interest and Taxes | 46,000 | 42,000 | 38,000 | 35,000 |
| Interest Expense | -6,000 | -10,000 | -11,000 | -14,000 |
| Income Before Tax | - | - | - | - |
| Income Tax Expense | 3,000 | 5,000 | 6,000 | 8,000 |
| Minority Interest | - | - | - | - |
| Net Income From Continuing Ops | - | - | - | - |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 42,000 | 61,000 | 19,000 | 27,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | - | - | - | - |
