<ARTICLE>5

                                                                                               
<PERIOD-TYPE>                                                                 3-MOS               12-MOS
<FISCAL-YEAR-END>                                                             Dec-31-1995         Dec-31-1995
<PERIOD-END>                                                                  Dec-31-1995         Dec-31-1995
<CASH>                                                                               20,400              20,400
<SECURITIES>                                                                          6,005               6,005
<RECEIVABLES>                                                                             0                   0
<ALLOWANCES>                                                                              0                   0
<INVENTORY>                                                                               0                   0
<CURRENT-ASSETS>                                                                     29,480              29,480
<PP&E>                                                                               28,418              28,418
<DEPRECIATION>                                                                       22,237              22,237
<TOTAL-ASSETS>                                                                       40,878              40,878
<CURRENT-LIABILITIES>                                                                 6,350               6,350
<BONDS>                                                                               7,692               7,692
<COMMON>                                                                                 14                  14
<PREFERRED-MANDATORY>                                                                     0                   0
<PREFERRED>                                                                               0                   0
<OTHER-SE>                                                                           26,822              26,822
<TOTAL-LIABILITY-AND-EQUITY>                                                         40,878              40,878
<SALES>                                                                                   0                   1
<TOTAL-REVENUES>                                                                          0               1,165
<CGS>                                                                                     0                   0
<TOTAL-COSTS>                                                                             0                   0
<OTHER-EXPENSES>                                                                      5,752              27,469
<LOSS-PROVISION>                                                                          0                   0
<INTEREST-EXPENSE>                                                                       51                 119
<INCOME-PRETAX>                                                                      (5,332)            (22,472)
<INCOME-TAX>                                                                              0                   0
<INCOME-CONTINUING>                                                                  (5,332)            (22,472)
<DISCONTINUED>                                                                            0                   0
<EXTRAORDINARY>                                                                           0                   0
<CHANGES>                                                                                 0                   0
<NET-INCOME>                                                                         (5,332)            (22,472)
<EPS-BASIC>                                                                           (0.21)              (0.95)
<EPS-DILUTED>                                                                         (0.21)              (0.95)