<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME
STATEMENT FOR THE TWELVE-MONTH PERIOD ENDED DECEMBER 31, 1998, AND THE BALANCE
SHEET AS OF DECEMBER 31, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               DEC-31-1998
<CASH>                                           3,379
<SECURITIES>                                     7,630
<RECEIVABLES>                                   14,390
<ALLOWANCES>                                       413
<INVENTORY>                                     14,943
<CURRENT-ASSETS>                                43,769
<PP&E>                                          23,427
<DEPRECIATION>                                  12,364
<TOTAL-ASSETS>                                  63,414
<CURRENT-LIABILITIES>                            8,355
<BONDS>                                            363
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            74
<OTHER-SE>                                      53,468
<TOTAL-LIABILITY-AND-EQUITY>                    63,414
<SALES>                                         26,950
<TOTAL-REVENUES>                                36,697
<CGS>                                           10,700
<TOTAL-COSTS>                                   14,832
<OTHER-EXPENSES>                                26,452
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                  35
<INCOME-PRETAX>                                (3,827)
<INCOME-TAX>                                     (496)
<INCOME-CONTINUING>                            (3,331)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (3,331)
<EPS-PRIMARY>                                   (0.44)
<EPS-DILUTED>                                   (0.44)