<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM ITEM 1 OF
THE COMPANY'S FORM 10-Q FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

<MULTIPLIER> 1,000

                                                  
<PERIOD-TYPE>                   6-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-2000
<PERIOD-START>                             JAN-01-1999             JAN-01-2000
<PERIOD-END>                               JUN-30-1999             JUN-30-2000
<CASH>                                               0                  25,492
<SECURITIES>                                         0                  64,587
<RECEIVABLES>                                        0                   1,238
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                   1,799
<CURRENT-ASSETS>                                     0                  69,751
<PP&E>                                               0                   8,542
<DEPRECIATION>                                       0                   3,170
<TOTAL-ASSETS>                                       0                 100,820
<CURRENT-LIABILITIES>                                0                   8,096
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                      21
<OTHER-SE>                                           0                  87,981
<TOTAL-LIABILITY-AND-EQUITY>                         0                 100,820
<SALES>                                              0                       0
<TOTAL-REVENUES>                                 5,445                   8,069
<CGS>                                                0                       0
<TOTAL-COSTS>                                   10,590                  21,975
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                 151                     306
<INCOME-PRETAX>                                (4,556)                (11,248)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                            (4,556)                (11,248)
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                 (2,294)
<NET-INCOME>                                   (4,556)                (13,542)
<EPS-BASIC>                                     (0.30)                  (0.65)
<EPS-DILUTED>                                   (0.30)                  (0.65)