<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               JUN-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                          27,093
<SECURITIES>                                    21,489
<RECEIVABLES>                                    7,978
<ALLOWANCES>                                   (1,343)
<INVENTORY>                                      3,232
<CURRENT-ASSETS>                                62,331
<PP&E>                                           4,981
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  74,070
<CURRENT-LIABILITIES>                           14,141
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           132
<OTHER-SE>                                      59,797
<TOTAL-LIABILITY-AND-EQUITY>                    74,070
<SALES>                                         24,760
<TOTAL-REVENUES>                                24,760
<CGS>                                            9,888
<TOTAL-COSTS>                                    9,888
<OTHER-EXPENSES>                                16,325
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  (514)
<INCOME-TAX>                                       266
<INCOME-CONTINUING>                              (780)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     (780)
<EPS-PRIMARY>                                   (0.06)
<EPS-DILUTED>                                   (0.06)
        
<FN>
ADDITIONAL CURRENT ASSET - DEFERRED TAX       2,619
ADDITIONAL CURRENT ASSET - OTHER              1,263
OTHER ASSET - DEFERRED TAXES                  4,341
OTHER ASSETS - NET                            2,417              
INTEREST INCOME                                 939
</FN>