| Revenue | 2018-12-31 | 2017-12-31 | 2016-12-31 | 2015-12-31 |
| Total Revenue | 232,887,000 | 177,866,000 | 135,987,000 | 107,006,000 |
| Cost of Revenue | 139,156,000 | 111,934,000 | 88,265,000 | 71,651,000 |
| Gross Profit | 93,731,000 | 65,932,000 | 47,722,000 | 35,355,000 |
| Operating Expenses |
| Research Development | 28,837,000 | 22,620,000 | 16,085,000 | 12,540,000 |
| Selling General and Administrative | 52,177,000 | 38,992,000 | 27,284,000 | 20,411,000 |
| Non Recurring | - | - | - | - |
| Others | 296,000 | 214,000 | 167,000 | 171,000 |
| Total Operating Expenses | 220,466,000 | 173,760,000 | 131,801,000 | 104,773,000 |
| Operating Income or Loss | 12,421,000 | 4,106,000 | 4,186,000 | 2,233,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -1,151,000 | -304,000 | -390,000 | -687,000 |
| Earnings Before Interest and Taxes | 12,421,000 | 4,106,000 | 4,186,000 | 2,233,000 |
| Interest Expense | -1,417,000 | -848,000 | -484,000 | -459,000 |
| Income Before Tax | 11,270,000 | 3,802,000 | 3,796,000 | 1,546,000 |
| Income Tax Expense | 1,197,000 | 769,000 | 1,425,000 | 950,000 |
| Minority Interest | - | - | - | - |
| Net Income From Continuing Ops | 10,073,000 | 3,033,000 | 2,371,000 | 596,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 10,073,000 | 3,033,000 | 2,371,000 | 596,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 10,073,000 | 3,033,000 | 2,371,000 | 596,000 |