<ARTICLE> 5
<LEGEND>

THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION RESTATED TO REFLECT
RETROACTIVE APPLICATION, IN 1998, OF THE REQUIREMENTS OF THE SEC STAFF 
ACCOUNTING BULLETIN NO. 98 FOR THE DETERMINATION OF THE NUMBER OF SHARES
USED IN COMPUTING NET LOSS PER SHARE FOR THE PERIOD ENDED DECEMBER 31, 1997 
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.

</LEGEND>
<MULTIPLIER> 1,000
       
                                                 
<PERIOD-TYPE>                             12-MOS       <F1>
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                           4,200
<SECURITIES>                                     3,024
<RECEIVABLES>                                    4,820
<ALLOWANCES>                                       378
<INVENTORY>                                      4,029
<CURRENT-ASSETS>                                16,350
<PP&E>                                           1,160
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  18,856
<CURRENT-LIABILITIES>                            3,536
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           117
<OTHER-SE>                                      15,154
<TOTAL-LIABILITY-AND-EQUITY>                    18,856
<SALES>                                         16,281
<TOTAL-REVENUES>                                23,020
<CGS>                                           11,886
<TOTAL-COSTS>                                   12,656
<OTHER-EXPENSES>                                 5,355 <F2>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 120
<INCOME-PRETAX>                                (6,063)
<INCOME-TAX>                                        96
<INCOME-CONTINUING>                            (6,159)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (6,159)
<EPS-PRIMARY>                                   (0.84) <F3>
<EPS-DILUTED>                                   (0.84)
        
        

<FN> 
<F1>  The Company changed its fiscal year end. The reporting year ended 
      January 3, 1998 is referred to herein as ending on December 31, 1997.
<F2>  Item consists of research and development.
<F3>  Item consists of basic earnings per share.
</FN>