<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
STATEMENT OF OPERATIONS AND BALANCE SHEET FOR THE NINE MONTHS ENDED SEPTEMBER
30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<CASH>                                          12,412
<SECURITIES>                                    28,481
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                43,229
<PP&E>                                           6,645
<DEPRECIATION>                                   4,810
<TOTAL-ASSETS>                                  46,467
<CURRENT-LIABILITIES>                            2,751
<BONDS>                                            911
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           158
<OTHER-SE>                                      42,647
<TOTAL-LIABILITY-AND-EQUITY>                    46,467
<SALES>                                              0
<TOTAL-REVENUES>                                 4,988
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 9,311
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 126
<INCOME-PRETAX>                                (5,406)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (5,406)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,406)
<EPS-PRIMARY>                                    (.34)
<EPS-DILUTED>                                    (.34)