
<TABLE> <S> <C>

<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS FOUND IN THE COMPANY'S REPORT ON FORM 10-K FOR THE YEAR
ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<CASH>                                            3614
<SECURITIES>                                         0
<RECEIVABLES>                                     1254
<ALLOWANCES>                                       180
<INVENTORY>                                       1007
<CURRENT-ASSETS>                                  5736
<PP&E>                                            3849
<DEPRECIATION>                                    2512
<TOTAL-ASSETS>                                    7212
<CURRENT-LIABILITIES>                             2908
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                         31104
<OTHER-SE>                                           0
<TOTAL-LIABILITY-AND-EQUITY>                      7212
<SALES>                                           6255
<TOTAL-REVENUES>                                  7275
<CGS>                                             5382
<TOTAL-COSTS>                                     5382
<OTHER-EXPENSES>                                  7546
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 134
<INCOME-PRETAX>                                 (5550)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             (5550)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (5550)
<EPS-PRIMARY>                                    (.82)
<EPS-DILUTED>                                    (.82)
        

</TABLE>
