<TABLE> <S> <C>

<PAGE>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE ANNUAL
AUDITED FINANCIAL STATEMENT AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>

<S>                             <C>                     <C>
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          MAY-31-2000             MAY-31-1999
<PERIOD-START>                             JUN-01-1999             JUN-01-1998
<PERIOD-END>                               MAY-31-2000             MAY-31-1999
<CASH>                                         265,265                       0
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  344,173                       0
<ALLOWANCES>                                  (10,000)                       0
<INVENTORY>                                    459,434                       0
<CURRENT-ASSETS>                             1,081,519                       0
<PP&E>                                         724,042                       0
<DEPRECIATION>                               (682,526)                       0
<TOTAL-ASSETS>                               1,157,123                       0
<CURRENT-LIABILITIES>                          281,245                       0
<BONDS>                                              0                       0
                                0                       0
                                          0                       0
<COMMON>                                     2,383,385                       0
<OTHER-SE>                                 (1,507,507)                       0
<TOTAL-LIABILITY-AND-EQUITY>                 1,157,123                       0
<SALES>                                      1,925,738               1,432,373
<TOTAL-REVENUES>                             1,943,955               1,455,879
<CGS>                                      (1,122,775)               (962,234)
<TOTAL-COSTS>                              (1,883,573)             (1,756,202)
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                   0                       0
<INCOME-PRETAX>                                 60,382               (300,323)
<INCOME-TAX>                                     (800)                   (800)
<INCOME-CONTINUING>                             59,582               (301,123)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                    59,582               (301,123)
<EPS-BASIC>                                       0.04                  (0.21)
<EPS-DILUTED>                                     0.04                  (0.21)


</TABLE>



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