| Revenue | 4/27/2018 | 4/28/2017 | 4/29/2016 | 4/24/2015 |
| Total Revenue | 29,953,000 | 29,710,000 | 28,833,000 | 20,261,000 |
| Cost of Revenue | 8,970,000 | 9,233,000 | 8,907,000 | 5,671,000 |
| Gross Profit | 20,983,000 | 20,477,000 | 19,926,000 | 14,590,000 |
| Operating Expenses |
| Research Development | 2,253,000 | 2,193,000 | 2,224,000 | 1,640,000 |
| Selling General and Administrative | 9,937,000 | 9,711,000 | 9,469,000 | 6,904,000 |
| Non Recurring | - | - | - | - |
| Others | 115,000 | 498,000 | 583,000 | 341,000 |
| Total Operating Expenses | 23,098,000 | 23,615,000 | 23,114,000 | 15,289,000 |
| Operating Income or Loss | 6,855,000 | 6,095,000 | 5,719,000 | 4,972,000 |
| Income from Continuing Operations |
| Total Other Income/Expenses Net | -1,180,000 | -1,493,000 | -1,383,000 | -1,486,000 |
| Earnings Before Interest and Taxes | 6,855,000 | 6,095,000 | 5,719,000 | 4,972,000 |
| Interest Expense | -1,146,000 | -1,094,000 | -1,386,000 | -666,000 |
| Income Before Tax | 5,675,000 | 4,602,000 | 4,336,000 | 3,486,000 |
| Income Tax Expense | 2,580,000 | 578,000 | 798,000 | 811,000 |
| Minority Interest | 102,000 | 122,000 | 122,000 | 122,000 |
| Net Income From Continuing Ops | 3,095,000 | 4,024,000 | 3,538,000 | 2,675,000 |
| Non-recurring Events |
| Discontinued Operations | - | - | - | - |
| Extraordinary Items | - | - | - | - |
| Effect Of Accounting Changes | - | - | - | - |
| Other Items | - | - | - | - |
| Net Income |
| Net Income | 3,104,000 | 4,028,000 | 3,538,000 | 2,675,000 |
| Preferred Stock And Other Adjustments | - | - | - | - |
| Net Income Applicable To Common Shares | 3,104,000 | 4,028,000 | 3,538,000 | 2,675,000 |