<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          11,433
<SECURITIES>                                    49,121
<RECEIVABLES>                                    8,267
<ALLOWANCES>                                       651
<INVENTORY>                                      6,734
<CURRENT-ASSETS>                                76,185
<PP&E>                                           4,254
<DEPRECIATION>                                     434
<TOTAL-ASSETS>                                  81,722
<CURRENT-LIABILITIES>                           18,163
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            14
<OTHER-SE>                                      63,217
<TOTAL-LIABILITY-AND-EQUITY>                    81,722
<SALES>                                         12,965
<TOTAL-REVENUES>                                15,235
<CGS>                                            6,038
<TOTAL-COSTS>                                    7,226
<OTHER-EXPENSES>                                 5,850
<LOSS-PROVISION>                                   150
<INTEREST-EXPENSE>                               (851)
<INCOME-PRETAX>                                  3,010
<INCOME-TAX>                                       254
<INCOME-CONTINUING>                              2,756
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,756
<EPS-PRIMARY>                                      .20<F1>
<EPS-DILUTED>                                      .19
<FN>
<F1>FOR PURPOSES OF THIS EXHIBIT, PRIMARY MEANS BASIC
</FN>