<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE AUDITED
FINANCIAL STATEMENTS FILED IN THE COMPANY'S ANNUAL REPORT ON FORM 10-K AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH AUDITED FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JUL-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           5,309
<SECURITIES>                                     4,219
<RECEIVABLES>                                    1,209
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                10,827
<PP&E>                                           6,994
<DEPRECIATION>                                 (5,147)
<TOTAL-ASSETS>                                  12,710
<CURRENT-LIABILITIES>                            1,779
<BONDS>                                            830
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        57,586
<OTHER-SE>                                    (47,485)
<TOTAL-LIABILITY-AND-EQUITY>                    12,710
<SALES>                                              0
<TOTAL-REVENUES>                                 1,463
<CGS>                                                0
<TOTAL-COSTS>                                    3,489
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                 2,096
<INTEREST-EXPENSE>                                  70
<INCOME-PRETAX>                                (2,096)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (2,096)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (2,096)
<EPS-PRIMARY>                                   (0.11)
<EPS-DILUTED>                                        0