<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED) AT, AND FOR THE NINE MONTHS ENDED
SEPTEMBER 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<CASH>                                      18,101,000
<SECURITIES>                                17,499,000
<RECEIVABLES>                                9,215,000
<ALLOWANCES>                                   341,000
<INVENTORY>                                  8,342,000
<CURRENT-ASSETS>                            54,860,000
<PP&E>                                      12,935,000
<DEPRECIATION>                               4,683,000
<TOTAL-ASSETS>                              74,250,000
<CURRENT-LIABILITIES>                       13,486,000
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       166,000
<OTHER-SE>                                  60,036,000
<TOTAL-LIABILITY-AND-EQUITY>                74,250,000
<SALES>                                     38,907,000
<TOTAL-REVENUES>                            93,694,000
<CGS>                                       27,006,000
<TOTAL-COSTS>                               78,042,000
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               5,000
<INCOME-PRETAX>                             16,952,000
<INCOME-TAX>                                 1,051,000
<INCOME-CONTINUING>                         15,901,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                15,901,000
<EPS-BASIC>                                       0.98
<EPS-DILUTED>                                     0.95