<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               MAR-31-1999
<EXCHANGE-RATE>                                      1
<CASH>                                          29,008
<SECURITIES>                                    23,345
<RECEIVABLES>                                   10,597
<ALLOWANCES>                                   (1,534)
<INVENTORY>                                      2,609
<CURRENT-ASSETS>                                68,901
<PP&E>                                           5,754
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  81,716
<CURRENT-LIABILITIES>                           15,588
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           135
<OTHER-SE>                                      65,993
<TOTAL-LIABILITY-AND-EQUITY>                    81,716
<SALES>                                         16,562
<TOTAL-REVENUES>                                16,562
<CGS>                                            6,146
<TOTAL-COSTS>                                    6,146
<OTHER-EXPENSES>                                 8,941
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  2,018
<INCOME-TAX>                                       686
<INCOME-CONTINUING>                              1,332
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,332
<EPS-PRIMARY>                                     0.10
<EPS-DILUTED>                                     0.10
<FN>
ADDITIONAL CURRENT ASSET - DEFERRED TAX          3,300
ADDITIONAL CURRENT ASSET - OTHER                 1,576
OTHER ASSET - DEFERRED TAXES                     4,000
OTHER ASSET - NET                                3,061
INTEREST INCOME                                    543