<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS, STATEMENTS OF OPERATIONS AND STATEMENTS OF CASH
FLOWS INCLUDED IN THE COMPANY'S FORM 10-Q FOR THE PERIOD ENDED MARCH 31, 2000,
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS AND
NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          48,484
<SECURITIES>                                         0
<RECEIVABLES>                                    4,861
<ALLOWANCES>                                         0
<INVENTORY>                                      2,072
<CURRENT-ASSETS>                                57,656
<PP&E>                                          49,935
<DEPRECIATION>                                (31,681)
<TOTAL-ASSETS>                                  78,839
<CURRENT-LIABILITIES>                           36,305
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       325,601
<OTHER-SE>                                      39,827
<TOTAL-LIABILITY-AND-EQUITY>                    78,839
<SALES>                                          5,060
<TOTAL-REVENUES>                                 6,991
<CGS>                                            1,124
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                14,644
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 284
<INCOME-PRETAX>                                (8,492)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (8,492)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (8,492)
<EPS-BASIC>                                   (0.26)
<EPS-DILUTED>                                   (0.26)