| Revenue | 2018-12-29 | 2017-12-30 | 2016-12-31 | 2016-01-02 |
| Total Revenue | 46,693,000 | 46,587,000 | 46,385,000 | 45,394,000 |
| Cost of Revenue | 32,537,000 | 32,913,000 | 33,206,000 | 32,800,000 |
| Gross Profit | 14,156,000 | 13,674,000 | 13,179,000 | 12,594,000 |
| Operating Expenses |
| Research Development | - | - | - | - |
| Selling General and Administrative | 12,161,000 | 12,060,000 | 10,921,000 | 10,727,000 |
| Non Recurring | - | - | - | - |
| Others | - | - | - | - |
| Total Operating Expenses | 44,698,000 | 44,973,000 | 44,127,000 | 43,527,000 |
| Operating Income or Loss | 1,995,000 | 1,614,000 | 2,258,000 | 1,867,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -1,200,000 | 71,000 | -819,000 | -910,000 |
| Earnings Before Interest and Taxes | 1,995,000 | 1,614,000 | 2,258,000 | 1,867,000 |
| Interest Expense | -400,000 | -388,000 | -552,000 | -580,000 |
| Income Before Tax | 1,359,000 | 1,675,000 | 1,439,000 | 957,000 |
| Income Tax Expense | 606,000 | 365,000 | 449,000 | 368,000 |
| Minority Interest | 59,000 | 40,000 | 26,000 | 13,000 |
| Net Income From Continuing Ops | 753,000 | 1,310,000 | 990,000 | 589,000 |
| Non-recurring Events |
| Discontinued Operations | 47,000 | 231,000 | 231,000 | 231,000 |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 766,000 | 1,517,000 | 983,000 | 598,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 754,000 | 1,505,000 | 971,000 | 591,000 |