<TABLE> <S> <C>

<ARTICLE> 5
<CURRENCY> U.S. DOLLARS

<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               JUN-30-2000
<EXCHANGE-RATE>                                      1
<CASH>                                       3,144,921
<SECURITIES>                                 4,336,569
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                             7,972,771
<PP&E>                                       7,431,755
<DEPRECIATION>                               5,393,611
<TOTAL-ASSETS>                              10,013,730
<CURRENT-LIABILITIES>                        1,706,081
<BONDS>                                              0
                                0
                                         35
<COMMON>                                       193,687
<OTHER-SE>                                   8,113,927
<TOTAL-LIABILITY-AND-EQUITY>                10,013,730
<SALES>                                              0
<TOTAL-REVENUES>                               308,669
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                             6,597,932
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (6,289,263)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                        (6,289,263)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (6,289,263)
<EPS-BASIC>                                     (0.33)
<EPS-DILUTED>                                   (0.33)


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