<ARTICLE> 5
<LEGEND>
     This schedule  contains summary  financial  information  extracted from the
consolidated   balance   sheet,   consolidated   statement  of  operations   and
consolidated statement of cash flows included in the Company's Form 10-Q for the
period ending  September 30, 1997, and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                           3,554
<SECURITIES>                                    22,608
<RECEIVABLES>                                    8,495
<ALLOWANCES>                                       495
<INVENTORY>                                      7,725
<CURRENT-ASSETS>                                45,825
<PP&E>                                           9,564
<DEPRECIATION>                                   6,403
<TOTAL-ASSETS>                                  67,885
<CURRENT-LIABILITIES>                           12,489
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        32,131
<OTHER-SE>                                      23,265
<TOTAL-LIABILITY-AND-EQUITY>                    67,885
<SALES>                                         51,600
<TOTAL-REVENUES>                                51,600
<CGS>                                           21,620
<TOTAL-COSTS>                                   50,042
<OTHER-EXPENSES>                               (1,924)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  3,482
<INCOME-TAX>                                     1,061
<INCOME-CONTINUING>                              2,421
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,421
<EPS-PRIMARY>                                     0.25
<EPS-DILUTED>                                     0.25