| Revenue | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
| Total Revenue | 27,363,000 | 25,263,000 | 24,667,000 | 23,181,000 |
| Cost of Revenue | - | - | - | - |
| Gross Profit | 27,363,000 | 25,263,000 | 24,667,000 | 23,181,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 3,059,000 | 2,737,000 | 2,741,000 | 3,050,000 |
| Non Recurring | - | - | - | - |
| Others | 2,901,000 | 2,617,000 | 2,489,000 | 3,250,000 |
| Total Operating Expenses | 5,960,000 | 5,354,000 | 5,230,000 | 6,300,000 |
| Operating Income or Loss | 21,403,000 | 19,909,000 | 19,437,000 | 16,881,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -1,304,000 | -1,462,000 | -1,104,000 | -673,000 |
| Earnings Before Interest and Taxes | - | - | - | - |
| Interest Expense | - | - | - | - |
| Income Before Tax | 20,099,000 | 18,447,000 | 18,333,000 | 16,208,000 |
| Income Tax Expense | 4,140,000 | 15,984,000 | 6,020,000 | 5,253,000 |
| Minority Interest | - | - | - | 29,000 |
| Net Income From Continuing Ops | 15,959,000 | 2,463,000 | 12,313,000 | 10,955,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 15,959,000 | 2,463,000 | 12,313,000 | 10,954,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 3,346,000 | -6,481,000 | 77,000 | -262,000 |