<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                           9,323
<SECURITIES>                                    17,984
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                 1,191
<PP&E>                                           4,884
<DEPRECIATION>                                   3,348
<TOTAL-ASSETS>                                  30,952
<CURRENT-LIABILITIES>                            4,139
<BONDS>                                             94
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           173
<OTHER-SE>                                      26,546
<TOTAL-LIABILITY-AND-EQUITY>                    30,952
<SALES>                                              0
<TOTAL-REVENUES>                                 2,364
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 3,917
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  24
<INCOME-PRETAX>                                (1,222)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (1,222)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (1,222)
<EPS-PRIMARY>                                    (.07)
<EPS-DILUTED>                                    (.07)