| Revenue | 12/31/2017 | 12/31/2016 | 12/31/2015 | 12/31/2014 |
| Total Revenue | 9,567,000 | 8,979,000 | 8,592,000 | 8,790,000 |
| Cost of Revenue | 2,222,000 | 2,007,000 | 1,771,000 | 1,663,000 |
| Gross Profit | 7,345,000 | 6,972,000 | 6,821,000 | 7,127,000 |
| Operating Expenses |
| Research Development | 1,224,000 | 1,114,000 | 923,000 | 983,000 |
| Selling General and Administrative | 3,546,000 | 3,268,000 | 3,389,000 | 3,331,000 |
| Non Recurring | - | - | - | - |
| Others | 272,000 | 231,000 | 271,000 | 262,000 |
| Total Operating Expenses | 7,302,000 | 6,654,000 | 6,395,000 | 6,314,000 |
| Operating Income or Loss | 2,265,000 | 2,325,000 | 2,197,000 | 2,476,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | 11,000 | 1,326,000 | 209,000 | 39,000 |
| Earnings Before Interest and Taxes | 2,265,000 | 2,325,000 | 2,197,000 | 2,476,000 |
| Interest Expense | -292,000 | -225,000 | -144,000 | -109,000 |
| Income Before Tax | 2,276,000 | 3,651,000 | 2,406,000 | 2,515,000 |
| Income Tax Expense | 3,288,000 | -3,634,000 | 459,000 | 3,380,000 |
| Minority Interest | - | - | - | - |
| Net Income From Continuing Ops | -1,012,000 | 7,285,000 | 1,947,000 | -865,000 |
| Non-recurring Events |
| Discontinued Operations | -4,000 | -19,000 | -222,000 | 911,000 |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | -1,016,000 | 7,266,000 | 1,725,000 | 46,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | -1,016,000 | 7,266,000 | 1,725,000 | 46,000 |