<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                          31,321
<SECURITIES>                                    22,621
<RECEIVABLES>                                   11,345
<ALLOWANCES>                                   (1,531)
<INVENTORY>                                      2,392
<CURRENT-ASSETS>                                70,761
<PP&E>                                           5,948
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  83,600
<CURRENT-LIABILITIES>                           15,708
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           137
<OTHER-SE>                                      67,755
<TOTAL-LIABILITY-AND-EQUITY>                    83,600
<SALES>                                         33,394
<TOTAL-REVENUES>                                33,394
<CGS>                                           12,420
<TOTAL-COSTS>                                   12,420
<OTHER-EXPENSES>                                17,922
<LOSS-PROVISION>                                     3
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  4,095
<INCOME-TAX>                                     1,392
<INCOME-CONTINUING>                              2,703
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,703
<EPS-BASIC>                                      .20
<EPS-DILUTED>                                      .20


<FN>
ADDITIONAL CURRENT ASSET - DEFERRED TAX          3,300
ADDITIONAL CURRENT ASSET - OTHER                 1,313
OTHER ASSET - DEFERRED TAXES                     4,000
OTHER ASSETS - NET                               2,891
INTEREST INCOME                                  1,043
</FN>