<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE THREE MONTHS ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          MAR-31-2000
<PERIOD-START>                             OCT-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                          43,962
<SECURITIES>                                         0
<RECEIVABLES>                                    6,519
<ALLOWANCES>                                       228
<INVENTORY>                                      5,775
<CURRENT-ASSETS>                                57,192
<PP&E>                                           8,783
<DEPRECIATION>                                   4,884
<TOTAL-ASSETS>                                  70,845
<CURRENT-LIABILITIES>                            6,904
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        72,243
<OTHER-SE>                                       8,802
<TOTAL-LIABILITY-AND-EQUITY>                    63,441
<SALES>                                         10,059
<TOTAL-REVENUES>                                10,059
<CGS>                                            3,263
<TOTAL-COSTS>                                    3,263
<OTHER-EXPENSES>                                 7,073
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                    273
<INCOME-TAX>                                        73
<INCOME-CONTINUING>                                200
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       200
<EPS-BASIC>                                        .01
<EPS-DILUTED>                                      .01