<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the Form
10-Q for the Period Ended April 30, 1999 and is qualified in its entirety by
reference to such financial statements.</LEGEND>


                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          JUL-31-1999
<PERIOD-END>                               APR-30-1999
<CASH>                                       2,892,149
<SECURITIES>                                 6,269,097
<RECEIVABLES>                                  308,827
<ALLOWANCES>                                         0
<INVENTORY>                                    168,720
<CURRENT-ASSETS>                               126,680
<PP&E>                                       2,321,250
<DEPRECIATION>                             (1,072,959)
<TOTAL-ASSETS>                              14,937,662
<CURRENT-LIABILITIES>                          794,565
<BONDS>                                        172,563
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                    41,478,214
<OTHER-SE>                                (27,648,841)
<TOTAL-LIABILITY-AND-EQUITY>                14,937,662
<SALES>                                      1,853,307
<TOTAL-REVENUES>                             1,853,307
<CGS>                                          525,507
<TOTAL-COSTS>                                4,840,017
<OTHER-EXPENSES>                                99,653
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              32,720
<INCOME-PRETAX>                            (4,840,017)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (4,840,017)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (4,840,017)
<EPS-BASIC>                                   (0.31)
<EPS-DILUTED>                                   (0.31)