<ARTICLE> 5
       
                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          JUL-31-1998             JUL-31-1997
<PERIOD-END>                               JUL-31-1998             JUL-31-1997
<CASH>                                       1,108,581                 503,217
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   50,477                 115,571
<ALLOWANCES>                                   (6,000)                 (6,000)
<INVENTORY>                                  3,210,268               3,173,792
<CURRENT-ASSETS>                             4,399,673               3,944,478
<PP&E>                                       2,404,810               2,325,993
<DEPRECIATION>                             (1,994,822)             (1,938,188)
<TOTAL-ASSETS>                               4,819,464               4,339,752
<CURRENT-LIABILITIES>                          207,132               1,488,357
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                           77,500                  77,500
<PREFERRED>                                        597                     597
<COMMON>                                     3,724,773               2,803,473
<OTHER-SE>                                     809,462                (30,175)
<TOTAL-LIABILITY-AND-EQUITY>                 4,819,464               4,339,752
<SALES>                                        746,420               1,123,390
<TOTAL-REVENUES>                               746,420               1,123,390
<CGS>                                          529,958                 917,379
<TOTAL-COSTS>                                  940,717                  945,80
<OTHER-EXPENSES>                             1,548,446               2,054,630
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                              22,447                  82,932
<INCOME-PRETAX>                            (1,765,190)             (1,959,652)
<INCOME-TAX>                                       200                  10,084
<INCOME-CONTINUING>                        (1,765,390)             (1,969,736)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0             (1,841,000)
<CHANGES>                                            0                       0
<NET-INCOME>                               (1,765,390)             (3,810,736)
<EPS-PRIMARY>                                    (.54)                  (2.41)
<EPS-DILUTED>                                    (.54)                  (2.41)