<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE JULY 31,
1997 AUDITED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                                                  
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-1997             JUL-31-1996
<PERIOD-START>                             AUG-01-1996             AUG-01-1995
<PERIOD-END>                               JUL-31-1997             JUL-31-1996
<CASH>                                         107,530                  16,975
<SECURITIES>                                         0                       0
<RECEIVABLES>                                  427,465                 728,114
<ALLOWANCES>                                    70,070                 190,669
<INVENTORY>                                    493,466                 506,995
<CURRENT-ASSETS>                               996,623               1,093,040
<PP&E>                                       1,521,522               1,260,831
<DEPRECIATION>                                 800,501                 373,589
<TOTAL-ASSETS>                               2,742,488               3,203,702
<CURRENT-LIABILITIES>                        2,778,067               2,533,588
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                    887,500               1,287,500
<COMMON>                                     5,913,415               5,454,040
<OTHER-SE>                                 (7,800,039)             (6,408,498)
<TOTAL-LIABILITY-AND-EQUITY>                 2,742,488               3,203,702
<SALES>                                      3,796,432               3,062,948
<TOTAL-REVENUES>                             3,796,432               3,062,948
<CGS>                                        3,064,863               2,411,017
<TOTAL-COSTS>                                3,064,863               2,411,017
<OTHER-EXPENSES>                             1,928,959               2,078,425
<LOSS-PROVISION>                           (1,197,390)             (1,426,494)
<INTEREST-EXPENSE>                             192,551                 146,887
<INCOME-PRETAX>                            (1,389,941)             (1,573,381)
<INCOME-TAX>                                     1,600                   1,600
<INCOME-CONTINUING>                        (1,391,541)             (1,574,981)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                               (1,391,541)             (1,574,981)
<EPS-PRIMARY>                                   (0.24)                  (0.33)
<EPS-DILUTED>                                        0                       0