<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
QUARTERLY REPORT ON FORM 10Q FOR THE THREE MONTH PERIOD ENDED MARCH 31, 1997
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
</LEGEND>
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<EXCHANGE-RATE>                                      1
<CASH>                                          50,617
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                51,330
<PP&E>                                           7,139
<DEPRECIATION>                                 (6,041)
<TOTAL-ASSETS>                                  52,428
<CURRENT-LIABILITIES>                            8,167
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            17
<OTHER-SE>                                      44,244
<TOTAL-LIABILITY-AND-EQUITY>                    52,428
<SALES>                                              0
<TOTAL-REVENUES>                                 1,094
<CGS>                                                0
<TOTAL-COSTS>                                    5,273
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                (3,650)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (3,650)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,650)
<EPS-PRIMARY>                                   (0.22)
<EPS-DILUTED>                                   (0.22)