<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Condensed Consolidated Statement of Financial Condition at December 31, 1997
(unaudited) and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          18,331
<SECURITIES>                                     7,849
<RECEIVABLES>                                   16,737
<ALLOWANCES>                                       547
<INVENTORY>                                      2,846
<CURRENT-ASSETS>                                46,167
<PP&E>                                          11,316
<DEPRECIATION>                                   4,392
<TOTAL-ASSETS>                                  55,467
<CURRENT-LIABILITIES>                            7,811
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           153
<OTHER-SE>                                      47,261
<TOTAL-LIABILITY-AND-EQUITY>                    55,467
<SALES>                                         73,695
<TOTAL-REVENUES>                                73,695
<CGS>                                           26,385
<TOTAL-COSTS>                                   26,385
<OTHER-EXPENSES>                                27,325
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 21,180
<INCOME-TAX>                                     7,201
<INCOME-CONTINUING>                             13,979
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    13,979
<EPS-PRIMARY>                                     $.92
<EPS-DILUTED>                                     $.90