<ARTICLE>                     5
<CURRENCY>                                US DOLLARS

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                         DEC-31-1999
<PERIOD-START>                            JAN-01-1999
<PERIOD-END>                              DEC-31-1999
<EXCHANGE-RATE>                                 1,000
<CASH>                                         23,697
<SECURITIES>                                   69,902
<RECEIVABLES>                                     624
<ALLOWANCES>                                        0
<INVENTORY>                                     4,552
<CURRENT-ASSETS>                               73,044
<PP&E>                                         66,661
<DEPRECIATION>                                 30,363
<TOTAL-ASSETS>                                136,999
<CURRENT-LIABILITIES>                          13,319
<BONDS>                                             0
<PREFERRED-MANDATORY>                               0
<PREFERRED>                                         0
<COMMON>                                           28
<OTHER-SE>                                    109,504
<TOTAL-LIABILITY-AND-EQUITY>                  136,999
<SALES>                                             0
<TOTAL-REVENUES>                               39,706
<CGS>                                               0
<TOTAL-COSTS>                                       0
<OTHER-EXPENSES>                               62,492
<LOSS-PROVISION>                                    0
<INTEREST-EXPENSE>                                284
<INCOME-PRETAX>                              (23,070)
<INCOME-TAX>                                        0
<INCOME-CONTINUING>                          (23,070)
<DISCONTINUED>                                      0
<EXTRAORDINARY>                                     0
<CHANGES>                                           0
<NET-INCOME>                                 (23,070)
<EPS-BASIC>                                    (0.74)
<EPS-DILUTED>                                  (0.74)