<ARTICLE> 5
<MULTIPLIER> 1,000
<CURRENCY> US DOLLARS
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<EXCHANGE-RATE>                                      1
<CASH>                                          18,598
<SECURITIES>                                    28,565
<RECEIVABLES>                                    7,729
<ALLOWANCES>                                   (1,338)
<INVENTORY>                                      3,242
<CURRENT-ASSETS>                                60,684<F1>
<PP&E>                                           5,061
<DEPRECIATION>                                       0
<TOTAL-ASSETS>                                  72,216
<CURRENT-LIABILITIES>                           12,850
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           132
<OTHER-SE>                                      59,234
<TOTAL-LIABILITY-AND-EQUITY>                    72,216
<SALES>                                         11,753
<TOTAL-REVENUES>                                11,753
<CGS>                                            5,004
<TOTAL-COSTS>                                    5,004
<OTHER-EXPENSES>                                 8,512
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                (1,298)
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            (1,298)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (1,298)
<EPS-PRIMARY>                                   (0.10)
<EPS-DILUTED>                                   (0.10)
<FN>
<F1>
ADDITIONAL CURRENT ASSET - DEFERRED TAX      2,619
ADDITIONAL CURRENT ASSET - OTHER             1,269
OTHER ASSET- DEFERRED TAXES                  4,341
OTHER ASSETS - NET                           2,130
INTEREST INCOME                                465
</FN>