<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED SEPTEMBER 30, 2000 FINANCIAL STATEMENT AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 2,271,921
<SECURITIES> 10,882,349
<RECEIVABLES> 563,016
<ALLOWANCES> 53,197
<INVENTORY> 502,081
<CURRENT-ASSETS> 14,261,811
<PP&E> 1,872,065
<DEPRECIATION> 1,061,979
<TOTAL-ASSETS> 15,635,992
<CURRENT-LIABILITIES> 1,217,824
<BONDS> 0
0
0
<COMMON> 17,046
<OTHER-SE> 14,401,122
<TOTAL-LIABILITY-AND-EQUITY> 15,635,992
<SALES> 1,303,322
<TOTAL-REVENUES> 1,303,322
<CGS> 1,314,676
<TOTAL-COSTS> 1,314,676
<OTHER-EXPENSES> 5,897,973
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (5,909,327)
<INCOME-TAX> 0
<INCOME-CONTINUING> (5,909,327)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (5,909,327)
<EPS-BASIC> (0.40)
<EPS-DILUTED> (0.40)
</TABLE>