<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 10-Q AND IS
QUALIFIED IN ITS ENTIRETY BE REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          45,309
<SECURITIES>                                    45,262
<RECEIVABLES>                                   16,561
<ALLOWANCES>                                       929
<INVENTORY>                                        145
<CURRENT-ASSETS>                               109,016
<PP&E>                                           8,621
<DEPRECIATION>                                   3,455
<TOTAL-ASSETS>                                 126,457
<CURRENT-LIABILITIES>                           29,085
<BONDS>                                          1,005
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            29
<OTHER-SE>                                      83,255
<TOTAL-LIABILITY-AND-EQUITY>                   126,457
<SALES>                                              0
<TOTAL-REVENUES>                                12,502
<CGS>                                                0
<TOTAL-COSTS>                                    2,439
<OTHER-EXPENSES>                                22,072
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                               (10,932)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (10,932)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (10,932)
<EPS-PRIMARY>                                   (0.18)
<EPS-DILUTED>                                   (0.18)