<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 SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<CASH>                                       3,890,987
<SECURITIES>                                         0
<RECEIVABLES>                                  496,321
<ALLOWANCES>                                         0
<INVENTORY>                                     16,203
<CURRENT-ASSETS>                             4,403,511
<PP&E>                                       6,690,319
<DEPRECIATION>                               5,878,182
<TOTAL-ASSETS>                               6,349,903
<CURRENT-LIABILITIES>                        1,031,650
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                 22,812,507
<COMMON>                                        70,349
<OTHER-SE>                                  60,962,820
<TOTAL-LIABILITY-AND-EQUITY>                 6,349,903
<SALES>                                              0
<TOTAL-REVENUES>                               483,604
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             3,000,792
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (2,517,188)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (2,517,188)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (2,517,188)
<EPS-BASIC>                                     (0.55)
<EPS-DILUTED>                                   (0.55)