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<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 7,429,000
<SECURITIES> 0
<RECEIVABLES> 1,770,000
<ALLOWANCES> (413,000)
<INVENTORY> 1,823,000
<CURRENT-ASSETS> 12,179,000
<PP&E> 11,117,000
<DEPRECIATION> (8,202,000)
<TOTAL-ASSETS> 18,461,000
<CURRENT-LIABILITIES> 4,533,000
<BONDS> 0
0
0
<COMMON> 89,457,000
<OTHER-SE> (78,571,000)
<TOTAL-LIABILITY-AND-EQUITY> 18,461,000
<SALES> 2,746,000
<TOTAL-REVENUES> 3,580,000
<CGS> 1,524,000
<TOTAL-COSTS> 3,053,000
<OTHER-EXPENSES> 115,000
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (882,000)
<INCOME-TAX> 0
<INCOME-CONTINUING> (882,000)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (882,000)
<EPS-BASIC> (.04)
<EPS-DILUTED> (.04)
</TABLE>
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