<ARTICLE>                                   5
                                         
<PERIOD-TYPE>                               YEAR
<FISCAL-YEAR-END>                           Dec-31-1995
<PERIOD-END>                                Dec-31-1995
<CASH>                                      20,400
<SECURITIES>                                6,005
<RECEIVABLES>                               0
<ALLOWANCES>                                0
<INVENTORY>                                 0
<CURRENT-ASSETS>                            29,480
<PP&E>                                      28,418
<DEPRECIATION>                              22,237
<TOTAL-ASSETS>                              40,878
<CURRENT-LIABILITIES>                       6,350
<BONDS>                                     7,692
<COMMON>                                    14
<PREFERRED-MANDATORY>                       0
<PREFERRED>                                 0
<OTHER-SE>                                  26,822
<TOTAL-LIABILITY-AND-EQUITY>                40,878
<SALES>                                     1
<TOTAL-REVENUES>                            1,165
<CGS>                                       0
<TOTAL-COSTS>                               0
<OTHER-EXPENSES>                            27,469
<LOSS-PROVISION>                            0
<INTEREST-EXPENSE>                         119
<INCOME-PRETAX>                             (22,472)
<INCOME-TAX>                                0
<INCOME-CONTINUING>                         (22,472)
<DISCONTINUED>                              0
<EXTRAORDINARY>                             0
<CHANGES>                                   0
<NET-INCOME>                                (22,472)
<EPS-PRIMARY>                               (0.95)
<EPS-DILUTED>                               (0.95)