<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, 1996, and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               SEP-30-1996
<CASH>                                           1,644
<SECURITIES>                                    15,243
<RECEIVABLES>                                    6,463
<ALLOWANCES>                                       562
<INVENTORY>                                      5,604
<CURRENT-ASSETS>                                31,239
<PP&E>                                           7,198
<DEPRECIATION>                                   5,359
<TOTAL-ASSETS>                                  59,513
<CURRENT-LIABILITIES>                            8,722
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        29,778
<OTHER-SE>                                      21,013
<TOTAL-LIABILITY-AND-EQUITY>                    59,513
<SALES>                                         36,355
<TOTAL-REVENUES>                                36,355
<CGS>                                           14,869
<TOTAL-COSTS>                                   33,938
<OTHER-EXPENSES>                               (1,832)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  4,249
<INCOME-TAX>                                     1,359
<INCOME-CONTINUING>                              2,890
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,890
<EPS-PRIMARY>                                     0.31
<EPS-DILUTED>                                     0.31