| Revenue | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Total Revenue | 3,355,200 | 3,173,800 | 3,098,400 | 2,373,683 |
| Cost of Revenue | 1,540,000 | 1,411,900 | 1,422,100 | 1,081,088 |
| Gross Profit | 1,815,200 | 1,761,900 | 1,676,300 | 1,292,595 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 1,437,500 | 1,407,700 | 1,320,600 | 987,816 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 3,092,600 | 2,944,800 | 2,869,600 | 2,152,637 |
| Operating Income or Loss | 262,600 | 229,000 | 228,800 | 221,046 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -36,300 | 34,500 | -48,000 | -9,439 |
| Earnings Before Interest and Taxes | 262,600 | 229,000 | 228,800 | 221,046 |
| Interest Expense | -31,600 | -29,100 | -31,400 | -13,305 |
| Income Before Tax | 226,300 | 263,500 | 180,800 | 211,607 |
| Income Tax Expense | 55,000 | 166,500 | 50,300 | 55,229 |
| Minority Interest | 1,800 | 3,000 | 800 | 800 |
| Net Income From Continuing Ops | 171,300 | 97,000 | 130,500 | 156,378 |
| Non-recurring Events |
| Discontinued Operations | -123,900 | -123,900 | -123,900 | -123,900 |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 47,400 | 97,000 | 130,500 | 156,378 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 47,400 | 97,000 | 130,500 | 156,378 |