<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM UNAUDITED
FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 3-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> MAR-31-2000 MAR-31-1999
<CASH> 303,423 417,666
<SECURITIES> 20,700 20,700
<RECEIVABLES> 17,307 17,661
<ALLOWANCES> 0 0
<INVENTORY> 17,500 0
<CURRENT-ASSETS> 389,063 499,868
<PP&E> 753,533 611,067
<DEPRECIATION> 227,166 174,650
<TOTAL-ASSETS> 973,373 995,351
<CURRENT-LIABILITIES> 663,903 686,029
<BONDS> 0 0
0 0
0 0
<COMMON> 21,473,459 20,950,152
<OTHER-SE> (21,163,984) (20,640,830)
<TOTAL-LIABILITY-AND-EQUITY> 973,378 995,351
<SALES> 163,600 0
<TOTAL-REVENUES> 163,600 0
<CGS> 101,942 0
<TOTAL-COSTS> 0 0
<OTHER-EXPENSES> 584,812 223,597
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 0 2,135
<INCOME-PRETAX> (523,154) 225,732
<INCOME-TAX> 0 0
<INCOME-CONTINUING> (523,154) (225,732)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (523,154) (225,732)
<EPS-BASIC> (0.007) (0.004)
<EPS-DILUTED> (0.000) (0.000)
</TABLE>