<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-K for the year ended December 31,
1999, and is qualified in its entirety by reference to such financial statements
and notes thereto.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          23,577
<SECURITIES>                                     3,080
<RECEIVABLES>                                    4,786
<ALLOWANCES>                                         0
<INVENTORY>                                      2,258
<CURRENT-ASSETS>                                35,225
<PP&E>                                          48,608
<DEPRECIATION>                                (29,735)
<TOTAL-ASSETS>                                  55,734
<CURRENT-LIABILITIES>                           38,556
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       291,328
<OTHER-SE>                                      14,047
<TOTAL-LIABILITY-AND-EQUITY>                    55,734
<SALES>                                         12,928
<TOTAL-REVENUES>                                38,257
<CGS>                                            2,698
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                84,772
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               2,086
<INCOME-PRETAX>                               (49,763)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                           (49,763)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                  (49,763)
<EPS-BASIC>                                   (1.60)
<EPS-DILUTED>                                   (1.60)