<ARTICLE> 5
<RESTATED> 
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                          15,758
<SECURITIES>                                         0
<RECEIVABLES>                                    1,110
<ALLOWANCES>                                         0
<INVENTORY>                                        188
<CURRENT-ASSETS>                                17,733
<PP&E>                                           3,370
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  21,402
<CURRENT-LIABILITIES>                            3,517
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        49,976
<OTHER-SE>                                       (576)
<TOTAL-LIABILITY-AND-EQUITY>                    21,402
<SALES>                                              0
<TOTAL-REVENUES>                                 1,634
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                13,690
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                (71)
<INCOME-PRETAX>                               (11,138)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (11,138)
<EPS-PRIMARY>                                   (1.09)<F1>
<EPS-DILUTED>                                   (1.09)
<FN>
<F1>Primary Represents Basic Net Loss Per Share
</FN>