| Revenue | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
| Total Revenue | 49,508,000 | 52,871,000 | 52,903,000 | 55,862,000 |
| Cost of Revenue | 20,345,000 | 21,581,000 | 22,004,000 | 26,896,000 |
| Gross Profit | 29,163,000 | 31,290,000 | 30,899,000 | 28,966,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 2,100,000 | 2,280,000 | 2,332,000 | 2,530,000 |
| Non Recurring | - | - | - | - |
| Others | 12,179,000 | 12,655,000 | 12,185,000 | 13,582,000 |
| Total Operating Expenses | 43,673,000 | 45,912,000 | 46,170,000 | 52,712,000 |
| Operating Income or Loss | 5,835,000 | 6,959,000 | 6,733,000 | 3,150,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -264,000 | -2,362,000 | -3,488,000 | -2,244,000 |
| Earnings Before Interest and Taxes | 5,835,000 | 6,959,000 | 6,733,000 | 3,150,000 |
| Interest Expense | -1,715,000 | -2,137,000 | -2,463,000 | -3,146,000 |
| Income Before Tax | 5,571,000 | 4,597,000 | 3,245,000 | 906,000 |
| Income Tax Expense | 1,621,000 | 1,219,000 | 846,000 | 155,000 |
| Minority Interest | 9,033,000 | 9,698,000 | 10,228,000 | 9,665,000 |
| Net Income From Continuing Ops | 3,950,000 | 3,378,000 | 2,399,000 | 751,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 3,331,000 | 3,132,000 | 2,369,000 | 616,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 2,929,000 | 2,854,000 | 2,111,000 | 368,000 |