<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS IN FORM S-1 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                                                                                            
<PERIOD-TYPE>                   3-MOS                   12-MOS                   YEAR                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-2000             DEC-31-1999             DEC-31-1998             MAR-31-1999
<PERIOD-START>                             JAN-01-2000             JAN-01-1999             JAN-01-1998             JAN-01-1999
<PERIOD-END>                               MAR-31-2000             DEC-31-1999             DEC-31-1998             MAR-31-1999
<CASH>                                          86,819                  11,731                     686                       0
<SECURITIES>                                    13,120                  24,419                      25                       0
<RECEIVABLES>                                    1,231                   1,377                       0                       0
<ALLOWANCES>                                        34                      13                       0                       0
<INVENTORY>                                      5,757                   1,700                       0                       0
<CURRENT-ASSETS>                               107,201                   1,043                     225                       0
<PP&E>                                           5,284                   3,051                     157                       0
<DEPRECIATION>                                     593                     300                      25                       0
<TOTAL-ASSETS>                                 113,215                  43,449                   1,068                       0
<CURRENT-LIABILITIES>                            8,323                   6,751                   1,328                       0
<BONDS>                                              0                       0                       0                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
<PREFERRED>                                         34                      26                       8                       0
<COMMON>                                             7                       6                       4                       0
<OTHER-SE>                                     104,061                  36,666                   (272)                       0
<TOTAL-LIABILITY-AND-EQUITY>                   104,892                  43,449                   1,068                       0
<SALES>                                              0                       0                       0                       0
<TOTAL-REVENUES>                                     0                       0                       0                       0
<CGS>                                                0                       0                       0                       0
<TOTAL-COSTS>                                   23,548                  37,527                   3,256                   3,460
<OTHER-EXPENSES>                                     0                       0                       0                       0
<LOSS-PROVISION>                                     0                       0                       0                       0
<INTEREST-EXPENSE>                             (1,224)                   (960)                      28                      33
<INCOME-PRETAX>                               (22,324)                (36,567)                 (3,284)                 (3,493)
<INCOME-TAX>                                         0                       0                       0                       0
<INCOME-CONTINUING>                           (22,324)                (36,567)                 (3,284)                 (3,493)
<DISCONTINUED>                                       0                       0                       0                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
<CHANGES>                                            0                       0                       0                       0
<NET-INCOME>                                  (22,324)                (36,567)                 (3,284)                 (3,493)
<EPS-BASIC>                                     (4.33)                  (4.83)                  (0.48)                  (0.50)
<EPS-DILUTED>                                   (4.33)                  (4.83)                  (0.48)                  (0.50)