<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S FINANCIAL STATEMENTS INCLUDED IN ITS FORM 10-Q FOR THE FISCAL QUARTER
ENDED JUNE 30, 1998 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             APR-01-1998
<PERIOD-END>                               JUN-30-1998
<CASH>                                           2,372
<SECURITIES>                                     2,166
<RECEIVABLES>                                        6
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 4,569
<PP&E>                                          20,068
<DEPRECIATION>                                  13,311
<TOTAL-ASSETS>                                  14,050
<CURRENT-LIABILITIES>                            1,904
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           211
<OTHER-SE>                                      11,082
<TOTAL-LIABILITY-AND-EQUITY>                    14,050
<SALES>                                             10
<TOTAL-REVENUES>                                    36
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 3,001
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (3,453)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,453)
<EPS-PRIMARY>                                   (0.16)
<EPS-DILUTED>                                   (0.16)