<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED BALANCE SHEETS, CONDENSED STATEMENTS OF OPERATIONS, AND CONDENSED
STATEMENTS OF CASH FLOWS INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD
ENDED MARCH 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS AND THE NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000 
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                         DEC-31-1999
<PERIOD-START>                            JAN-01-1999
<PERIOD-END>                              MAR-31-1999
<CASH>                                         21,396
<SECURITIES>                                   38,895
<RECEIVABLES>                                   1,532
<ALLOWANCES>                                        0
<INVENTORY>                                         0
<CURRENT-ASSETS>                               87,165
<PP&E>                                         26,637
<DEPRECIATION>                               (21,318)
<TOTAL-ASSETS>                                 92,484
<CURRENT-LIABILITIES>                          45,944
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                            2
<OTHER-SE>                                     43,284
<TOTAL-LIABILITY-AND-EQUITY>                   92,484
<SALES>                                             0
<TOTAL-REVENUES>                                7,521
<CGS>                                               0
<TOTAL-COSTS>                                       0
<OTHER-EXPENSES>                               20,097
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                                117
<INCOME-PRETAX>                              (11,836)
<INCOME-TAX>                                        0
<INCOME-CONTINUING>                          (11,836)
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                  (11,836)
<EPS-PRIMARY>                                    (.48)<F1>
<EPS-DILUTED>                                    (.48)
<FN>
<F1>For Purposes of this Exhibit, Primary means Basic.
</FN>