<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SIX MONTHS
ENDED JUNE 30, 2000
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 196,395
<SECURITIES> 1,195,238
<RECEIVABLES> 120,399
<ALLOWANCES> 18,188
<INVENTORY> 143,244
<CURRENT-ASSETS> 2,082,207
<PP&E> 693,776
<DEPRECIATION> 465,701
<TOTAL-ASSETS> 2,860,156
<CURRENT-LIABILITIES> 506,093
<BONDS> 0
0
0
<COMMON> 105,184
<OTHER-SE> 2,203,879
<TOTAL-LIABILITY-AND-EQUITY> 2,860,156
<SALES> 6,459
<TOTAL-REVENUES> 270,916
<CGS> 2,086
<TOTAL-COSTS> 2,086
<OTHER-EXPENSES> 2,533,604
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (2,196,257)
<INCOME-TAX> 0
<INCOME-CONTINUING> (2,196,257)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (2,196,257)
<EPS-BASIC> (.21)
<EPS-DILUTED> (.21)
</TABLE>