<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10Q OF
NOVEMBER 30, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          MAY-31-1997
<PERIOD-START>                             JUN-01-1996
<PERIOD-END>                               NOV-30-1996
<CASH>                                         479,530
<SECURITIES>                                   226,942
<RECEIVABLES>                                1,681,163
<ALLOWANCES>                                         0
<INVENTORY>                                  2,367,920
<CURRENT-ASSETS>                             5,724,743
<PP&E>                                       1,878,799
<DEPRECIATION>                                 435,588
<TOTAL-ASSETS>                               7,220,431
<CURRENT-LIABILITIES>                          705,132
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     4,679,680
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                 7,220,431
<SALES>                                      4,532,012
<TOTAL-REVENUES>                             4,532,012
<CGS>                                        1,736,778
<TOTAL-COSTS>                                1,736,778
<OTHER-EXPENSES>                             1,684,409
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  16
<INCOME-PRETAX>                              1,008,620
<INCOME-TAX>                                   161,000
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   847,620
<EPS-PRIMARY>                                      .11
<EPS-DILUTED>                                      .11