<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 June 30, 1996, and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           2,090
<SECURITIES>                                    13,454
<RECEIVABLES>                                    6,531
<ALLOWANCES>                                       699
<INVENTORY>                                      4,733
<CURRENT-ASSETS>                                29,300
<PP&E>                                           7,114
<DEPRECIATION>                                   5,362
<TOTAL-ASSETS>                                  56,333
<CURRENT-LIABILITIES>                            7,175
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        29,691
<OTHER-SE>                                      19,467
<TOTAL-LIABILITY-AND-EQUITY>                    56,333
<SALES>                                         22,228
<TOTAL-REVENUES>                                22,228
<CGS>                                            9,203
<TOTAL-COSTS>                                   21,317
<OTHER-EXPENSES>                               (1,207)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  2,118
<INCOME-TAX>                                       710
<INCOME-CONTINUING>                              1,408
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     1,408
<EPS-PRIMARY>                                     0.15
<EPS-DILUTED>                                     0.15