<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
FOR THE PERIOD ENDED SEPT 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000             DEC-31-2000
<PERIOD-START>                             JUL-01-2000             JAN-01-2000
<PERIOD-END>                               SEP-30-2000             SEP-30-2000
<CASH>                                               0                   8,431
<SECURITIES>                                         0                   3,786<F1>
<RECEIVABLES>                                        0                     614
<ALLOWANCES>                                         0                       0
<INVENTORY>                                          0                   1,220
<CURRENT-ASSETS>                                     0                  14,299
<PP&E>                                               0                   4,698<F2>
<DEPRECIATION>                                       0                       0
<TOTAL-ASSETS>                                       0                  21,548
<CURRENT-LIABILITIES>                                0                   2,319
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                             0                       0
<OTHER-SE>                                           0                  65,859
<TOTAL-LIABILITY-AND-EQUITY>                         0                  21,548
<SALES>                                          1,241                   3,001
<TOTAL-REVENUES>                                 1,241                   3,001
<CGS>                                            1,232                   3,519
<TOTAL-COSTS>                                    1,232                   3,519
<OTHER-EXPENSES>                                 3,843<F3>              10,027<F3>
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  15                      24
<INCOME-PRETAX>                                (3,558)                 (9,938)
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                                  0                       0
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                   (3,558)                 (9,938)
<EPS-BASIC>                                     (0.32)<F4>              (0.94)<F4>
<EPS-DILUTED>                                   (0.32)                  (0.94)
<FN>
<F1>Securities, Item 5-02(2), are net of accrued interest and unrealized gain/loss.
<F2>PP&E, Item 5-02(13), shown net of accumulated depreciation.
<F3>Other Expenses, Item 5-03(b)3, consists of research and development costs.
<F4>EPS Basic, Item 5-03(b)(20), consists of basic earnings per share.
</FN>


</TABLE>