| Revenue | 12/31/2018 | 12/31/2017 | 12/31/2016 | 12/31/2015 |
| Total Revenue | 103,984,000 | 94,745,000 | 91,208,000 | 89,202,000 |
| Cost of Revenue | - | - | - | - |
| Gross Profit | 103,984,000 | 94,745,000 | 91,208,000 | 89,202,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 57,663,000 | 53,436,000 | 51,117,000 | 49,420,000 |
| Non Recurring | - | - | - | - |
| Others | 5,485,000 | 6,068,000 | 5,872,000 | 6,624,000 |
| Total Operating Expenses | 63,148,000 | 59,504,000 | 56,989,000 | 56,044,000 |
| Operating Income or Loss | 40,836,000 | 35,241,000 | 34,219,000 | 33,158,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -72,000 | 659,000 | 317,000 | -2,456,000 |
| Earnings Before Interest and Taxes | - | - | - | - |
| Interest Expense | - | - | - | - |
| Income Before Tax | 40,764,000 | 35,900,000 | 34,536,000 | 30,702,000 |
| Income Tax Expense | 8,290,000 | 11,459,000 | 9,803,000 | 6,260,000 |
| Minority Interest | - | - | - | - |
| Net Income From Continuing Ops | 32,474,000 | 24,441,000 | 24,733,000 | 24,442,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 32,474,000 | 24,441,000 | 24,733,000 | 24,442,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 30,709,000 | 22,567,000 | 22,834,000 | 22,651,000 |