----

----

|   |   |                                                                                    |
|--------|--------|-----------------------------------------------------------------------------------------|
| þ |   | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

|   |   |                                                                                     |
|--------|--------|------------------------------------------------------------------------------------------|
| o      |   | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |

|   | Delaware                                                 | 75-1225149                        |   |
|--------|----------------------------------------------------------|-----------------------------------|--------|
|   | (State of Incorporation)                                 | (IRS Employer Identification No.) |   |
|   |                                                     |                              |   |
|   | 905 E. Walnut, Garland, Texas                            | 75040                             |   |
|   | (Address of Principal Executive Office)                  | (Zip Code)                        |   |
|   |                                                     |                              |   |
|   | Registrant’s Telephone Number, including Area Code | (972) 272-3571                    |   |

| Large accelerated filer  o                | Accelerated filer  o   |
|------------------------------------------------|-----------------------------|
| Non-accelerated filer    o | Smaller reporting company x |

----

|   | ITEM 2 - | MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND |
|--------|----------|-----------------------------------------------------------------------|

|   |      RESULTS OF OPERATIONS |
|--------|-----------------------------------------------------|

|   | ITEM 3 - | QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK |
|--------|----------|------------------------------------------------------------|

|   | ITEM 4 - | CONTROLS AND PROCEDURES |
|--------|----------|-------------------------|

----

|                                                                                                                                                                                                                                                                                             |   |  (Unaudited) |        |   |     |   |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|-------------------|-------------|--------|----------|--------|
| CURRENT ASSETS                                                                                                                                                                                                                                                                                   |   | 05/29/10          |        |   | 11/30/09 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |
| Cash and cash equivalents                                                                                                                                                                                                                                                                        |   | $                 | 6,218       |   |     | $      | 6,802 |   |
|         Short-term investment                                                                                                                                                                                                                            |   |              | 1,000       |   |     |   | 1,000 |   |
|         Accounts receivable                                                                                                                                                                                                                              |   |              | 2,886       |   |     |   | 2,364 |   |
| Inventories:                                                                                                                                                                                                                                                                                     |   |              |        |   |     |   |   |   |
| Raw materials                                                                                                                                                                                                                                                                                    |   |              | 1,984       |   |     |   | 2,785 |   |
| Work-in process                                                                                                                                                                                                                                                                                  |   |              | 3,787       |   |     |   | 2,728 |   |
| Total Inventories                                                                                                                                                                                                                                                                                |   |              | 5,771       |   |     |   | 5,513 |   |
| Prepaid expenses and other current assets                                                                                                                                                                                                                                                        |   |              | 229         |   |     |   | 130 |   |
| Deferred income tax                                                                                                                                                                                                                                                                              |   |              | 1,069       |   |     |   | 1,069 |   |
|                              Total current assets                                                                                               |   |              | 17,173      |   |     |   | 16,878 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| PROPERTY, PLANT AND EQUIPMENT, at cost:                                                                                                                                                                                                                                                          |   |              |        |   |     |   |   |   |
| Land                                                                                                                                                                                                                                                                                             |   |              | 80          |   |     |   | 80 |   |
| Buildings                                                                                                                                                                                                                                                                                        |   |              | 498         |   |     |   | 498 |   |
| Facility improvements                                                                                                                                                                                                                                                                            |   |              | 882         |   |     |   | 882 |   |
| Machinery and equipment                                                                                                                                                                                                                                                                          |   |              | 6,831       |   |     |   | 6,571 |   |
| Furniture and fixtures                                                                                                                                                                                                                                                                           |   |              | 632         |   |     |   | 623 |   |
|                       Total property, plant, and equipment                                                                                                                         |   |              | 8,923       |   |     |   | 8,654 |   |
| Less accumulated depreciation                                                                                                                                                                                                                                                                    |   |              | (7,453      | )      |     |   | (7,324 | ) |
|                                      Net property, plant, and equipment                                 |   |              |  1,470 |   |     |   | 1,330 |   |
|                                        Total assets                                           |   | $                 | 18,643      |   |     | $      | 18,208 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| LIABILITIES AND SHAREHOLDERS’ EQUITY                                                                                                                                                                                                                                                       |   |              |        |   |     |   |   |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| CURRENT LIABILITIES:                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| Accounts payable                                                                                                                                                                                                                                                                                 |   | $                 | 727         |   |     | $      | 713 |   |
| Accrued compensation                                                                                                                                                                                                                                                                             |   |              | 476         |   |     |   | 481 |   |
| Other accrued liabilities                                                                                                                                                                                                                                                                        |   |              | 138         |   |     |   | 193 |   |
|         Deferred revenue                                                                                                                                                                                                                                 |   |              | 792         |   |     |   | 1,524 |   |
| Income taxes payable                                                                                                                                                                                                                                                                             |   |              | 354         |   |     |   | 45 |   |
|                         Total current liabilities                                                                                                                        |   |              | 2,487       |   |     |   | 2,956 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| DEFERRED INCOME TAXES                                                                                                                                                                                                                                                                            |   |              | 218         |   |     |   | 218 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
| SHAREHOLDERS’ EQUITY                                                                                                                                                                                                                                                                       |   |              |        |   |     |   |   |   |
| Common stock, ($.10 par value), authorized 10,000,000 shares,   3,078,315 issued and 2,578,315 outstanding at May 29, 2010           and November 30, 2009                                                                 |   |              | 308         |   |     |   | 308 |   |
| Paid-in capital                                                                                                                                                                                                                                                                                  |   |              | 885         |   |     |   | 885 |   |
|        Treasury stock, 500,000 shares, at cost                                                                                                                                                                                                                |   |              | (1,250      | )      |     |   | (1,250 | ) |
| Retained earnings                                                                                                                                                                                                                                                                                |   |              | 15,995      |   |     |   | 15,091 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
|                                 Total shareholders’ equity                                                                 |   |              | 15,938      |   |     |   | 15,034 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |
|                                         Total liabilities and shareholders’ equity |   | $                 | 18,643      |   |     | $      | 18,208 |   |
|                                                                                                                                                                                                                                                                                             |   |              |        |   |     |   |   |   |

----

|                                                                                                                                                                                                                                            |   |   |  For the three months ended |   |   |   |  For the six months ended |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------|----------------------------------|--------|--------|--------|--------------------------------|--------|
|                                                                                                                                                                                                                                            |   |   | 05/29/10                         |   |   |   | 05/30/09                       |   |   |   | 05/29/10 |   |   |   | 05/30/09 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| NET SALES                                                                                                                                                                                                                                       |   | $      | 5,788                            |   |   | $      | 4,625                          |   |   | $ | 10,364 |   |   | $ | 9,487 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| COST AND EXPENSES:                                                                                                                                                                                                                              |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|     Cost of goods sold                                                                                                                                                                                                      |   |   | (3,611                           | )      |   |   | (3,334                         | )      |   |   | (6,435 | ) |   |   | (6,706 | ) |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|     Research and development                                                                                                                                                                                                |   |   | (116                             | )      |   |   | (154                           | )      |   |   | (263 | ) |   |   | (235 | ) |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|     Selling, general & administrative expenses                                                                                                                                                                          |   |   |  (1,011                     | )      |   |   |  (869                     | )      |   |   | (1,939 | ) |   |   | (1,693 | ) |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|                                     Total cost and expenses |   |   | (4,738                           | )      |   |   | (4,357                         | )      |   |   | (8,637 | ) |   |   | (8,634 | ) |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| OPERATING INCOME BEFORE INTEREST           AND INCOME TAXES                                                                                                                              |   |   | 1,050                            |   |   |   | 268                            |   |   |   | 1,727 |   |   |   | 853 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|     Interest and other income                                                                                                                                                                                               |   |   | 7                                |   |   |   | 8                              |   |   |   | 88 |   |   |   | 22 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| INCOME BEFORE TAXES                                                                                                                                                                                                                             |   | $      | 1,057                            |   |   | $      | 276                            |   |   | $ | 1,815 |   |   | $ | 875 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
|     Provision for taxes                                                                                                                                                                                                     |   |   | (380                             | )      |   |   | (99                            | )      |   |   | (653 | ) |   |   | (315 | ) |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| NET INCOME                                                                                                                                                                                                                                      |   | $      | 677                              |   |   | $      | 177                            |   |   | $ | 1,162 |   |   | $ | 560 |   |
| NET INCOME PER SHARE, BASIC AND DILUTED                                                                                                                                                                                                         |   | $      | .26                              |   |   | $      | .07                            |   |   | $ | .45 |   |   | $ | .22 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| DIVIDENDS PER SHARE                                                                                                                                                                                                                             |   | $      | 0                                |   |   | $      | 0                              |   |   | $ | .10 |   |   | $ | .10 |   |
|                                                                                                                                                                                                                                            |   |   |                             |   |   |   |                           |   |   |   |   |   |   |   |   |   |
| WEIGHTED AVERAGE OF SHARES, Basic and diluted                                                                                                                                                                                                   |   |   | 2,578,315                        |   |   |   | 2,578,315                      |   |   |   | 2,578,315 |   |   |   | 2,578,315 |   |

----

|                                                                                                                                                                                                                                                      |   | For six months ended |             |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------------------|------------------|
|                                                                                                                                                                                                                                                      |   | 5/29/10              |             |   | 5/30/09 |   |
| CASH FLOWS FROM OPERATING ACTIVITIES:                                                                                                                                                                                                                     |   |                 |             |   |   |   |
| Net income                                                                                                                                                                                                                                                |   | $                    | 1,162            |   |   | $ | 560 |   |
| Adjustments to reconcile net income to                                                                                                                                                                                                                    |   |                 |             |   |   |   |   |   |
| cash provided by (used in) operating activities:                                                                                                                                                                                                          |   |                 |             |   |   |   |   |   |
|     Depreciation and amortization                                                                                                                                                                                                     |   |                 | 129              |   |   |   | 128 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| Changes in current assets and liabilities:                                                                                                                                                                                                                |   |                 |             |   |   |   |   |   |
|     (Increase) decrease in accounts receivable                                                                                                                                                                                        |   |                 | (522             | ) |   |   | 872 |   |
|     (Increase) decrease in inventories                                                                                                                                                                                                |   |                 | (258             | ) |   |   | 140 |   |
|     (Increase) decrease in prepaid expenses and other current assets                                                                                                                                                                  |   |                 | (99              | ) |   |   | 52 |   |
|     (Decrease) increase in deferred revenue                                                                                                                                                                                           |   |                 | (732             | ) |   |   | 213 |   |
|     Increase (decrease) in accounts payable                                                                                                                                                                                           |   |                 | 14               |   |   |   | (546 | ) |
|     Decrease in accrued compensation                                                                                                                                                                                                  |   |                 | (5               | ) |   |   | (241 | ) |
|     Decrease in other accrued liabilities                                                                                                                                                                                             |   |                 | (55              | ) |   |   | (161 | ) |
|     Increase in income taxes payable                                                                                                                                                                                                  |   |                 |  309        |   |   |   |  153 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|                                  Net cash provided by (used in) operating activities |   |                 |  (57        | ) |   |   |  1,170 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| CASH FLOWS FROM INVESTING ACTIVITIES:                                                                                                                                                                                                                     |   |                 |             |   |   |   |   |   |
|         Additions to property, plant and equipment                                                                                                                                                                |   |                 | (269             | ) |   |   | (139 | ) |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|                          Net cash used in investing activities                                                               |   |                 |   (269 | ) |   |   |   (139 | ) |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| CASH FLOWS FROM FINANCING ACTIVITIES                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|          Cash dividend                                                                                                                                                                                       |   |                 |  (258       | ) |   |   |  (258 | ) |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|                                   Net cash used in financing activities         |   |                 | (258             | ) |   |   | (258 | ) |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| Net change in cash and cash equivalents                                                                                                                                                                                                                   |   |                 | (584             | ) |   |   | 773 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| Cash and Cash Equivalents at beginning of period                                                                                                                                                                                                          |   |                 | 6,802            |   |   |   | 6,522 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| Cash and Cash Equivalents at end of period                                                                                                                                                                                                                |   | $                    | 6,218            |   |   | $ | 7,295 |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
| Supplemental Cash Flow Disclosure                                                                                                                                                                                                                    |   |                 |             |   |   |   |   |   |
|                                                                                                                                                                                                                                                      |   |                 |             |   |   |   |   |   |
|           Cash paid for income taxes                                                                                                                                                               |   | $                    |  342        |   |   | $ |  162 |   |

----

----

|         Buildings | 15   |   |
|------------------------------------------------------|------|--------|
| Facility improvements                                | 8-15 |   |
| Machinery and equipment                              | 5-10 |   |
| Furniture and fixtures                               | 5-8  |   |

----

|                                                                                                                                                                                                                                            |   | Three months ended |   |   | Six months ended |   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|--------|--------|------------------|--------|
|                                                                                                                                                                                                                                            |   | 5/29/2010          |   |   | 5/30/2009        |   |   | 5/29/2010 |   |   | 5/30/2009 |   |
| NET SALES                                                                                                                                                                                                                                       |   |               | 100.0  | %      |             |   | 100.0 | % |   |   | 100.0 | % |   |   | 100.0 | % |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| COST AND EXPENSES:                                                                                                                                                                                                                              |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
|     Cost of Goods Sold                                                                                                                                                                                                      |   |               | 62.4   | %      |             |   | 72.1 | % |   |   | 62.1 | % |   |   | 70.7 | % |
|     Research and development                                                                                                                                                                                                |   |               | 2.0    | %      |             |   | 3.3 | % |   |   | 2.5 | % |   |   | 2.5 | % |
|     Selling, general & administrative expenses                                                                                                                                                                          |   |               | 17.5   | %      |             |   | 18.8 | % |   |   | 18.7 | % |   |   | 17.8 | % |
|                                     Total cost and expenses |   |               | 81.9   | %      |             |   | 94.2 | % |   |   | 83.3 | % |   |   | 91.0 | % |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| OPERATING INCOME BEFORE INTEREST                                                                                                                                                                                                                |   |               | 18.1   | %      |             |   | 5.8 | % |   |   | 16.7 | % |   |   | 9.0 | % |
|            AND INCOME TAXES                                                                                                                                                              |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
|     Interest income                                                                                                                                                                                                         |   |               | .2     | %      |             |   | .2 | % |   |   | .8 | % |   |   | .2 | % |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| INCOME BEFORE TAXES                                                                                                                                                                                                                             |   |               | 18.3   | %      |             |   | 6.0 | % |   |   | 17.5 | % |   |   | 9.2 | % |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
|     Provision for taxes                                                                                                                                                                                                     |   |               | 6.6    | %      |             |   | 2.1 | % |   |   | 6.3 | % |   |   | 3.3 | % |
|                                                                                                                                                                                                                                            |   |               |   |   |             |   |   |   |   |   |   |   |   |   |   |   |
| NET INCOME                                                                                                                                                                                                                                      |   |               | 11.7   | %      |             |   | 3.9 | % |   |   | 11.2 | % |   |   | 5.9 | % |

----

----

| (a)   | Evaluation of disclosure controls and procedures. |
|-----------------|---------------------------------------------------|

| (b)   | Changes in internal controls. |
|-----------------|-------------------------------|

| ITEM 1. | LEGAL PROCEEDINGS |
|---------|-------------------|

|   | The Company is not involved in any material current or pending legal proceedings. |
|--------|-----------------------------------------------------------------------------------|

| ITEM 1A | RISK FACTORS |
|---------|--------------|

|   | Information about risk factors for the three months ended May 29, 2010 does not differ materially from that set forth in Part I, Item 1A, of our Annual Report on Form 10-K for the year ended November 30, 2009. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ITEM 2. | UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS |
|---------|-------------------------------------------------------------|

|   | None |
|--------|------|

| ITEM 3. | DEFAULTS UPON SENIOR SECURITIES |
|---------|---------------------------------|

|   | None |
|--------|------|

| ITEM 4. | RESERVED |
|---------|----------|

|   | None |
|--------|------|

| ITEM 5. | OTHER INFORMATION |
|---------|-------------------|

|   | None |
|--------|------|

----

| ITEM 6. |                                                                                                                                                  |
|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------|
|    |                                                                                                                                                  |
|    | (a) Exhibits                                                                                                                                     |
|    |                                                                                                                                                  |
| 31.1    | Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes- Oxley Act of 2002                                                   |
| 31.2    | Certification of Chief Accounting Officer pursuant to Section 302 of the Sarbanes- Oxley Act of 2002                                             |
| 32.1    | Certification of Chief Executive Officer pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley act of 2002.    |
| 32.2    | Certification of Chief Accounting Officer pursuant to 18 U. S. C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley act of 2002. |

|   | Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned duly authorized. |
|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| July 13, 2010 | By:    | /s/ Mark King            |   |
|---------------|--------|-------------------------------|--------|
| Date          |   | Mark King                     |   |
|          |   | Chief Executive Officer  |   |

| July 13, 2010 | By:    | /s/ Patrick Cefalu      |   |
|---------------|--------|-------------------------|--------|
| Date          |   | Patrick Cefalu          |   |
|          |   | Chief Financial Officer |

----