<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS INCLUDED IN THE REGISTRANT'S QUARTERLY REPORT ON FORM 10-Q
FOR THE NINE MONTHS ENDED SEPTEMBER 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                       4,544,464
<SECURITIES>                                         0
<RECEIVABLES>                                  269,101
<ALLOWANCES>                                         0
<INVENTORY>                                     28,736
<CURRENT-ASSETS>                             4,872,449
<PP&E>                                       6,997,499
<DEPRECIATION>                               5,213,923
<TOTAL-ASSETS>                               7,780,406
<CURRENT-LIABILITIES>                          405,120
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                 34,636,934
<COMMON>                                       130,118
<OTHER-SE>                                  36,949,010
<TOTAL-LIABILITY-AND-EQUITY>                 7,780,406
<SALES>                                              0
<TOTAL-REVENUES>                               900,816
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             7,670,815
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (6,769,999)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (6,769,999)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (6,769,999)
<EPS-PRIMARY>                                   (0.72)
<EPS-DILUTED>                                   (0.72)