<ARTICLE>                     5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET AND THE CONSOLIDATED STATEMENT OF OPERATIONS AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER>                  1,000
       
                                    
<PERIOD-TYPE>                          6-MOS
<FISCAL-YEAR-END>                                DEC-31-1996
<PERIOD-END>                                     JUN-30-1996
<CASH>                                                15,809
<SECURITIES>                                           2,951
<RECEIVABLES>                                          9,445
<ALLOWANCES>                                               0
<INVENTORY>                                            2,699
<CURRENT-ASSETS>                                      32,136
<PP&E>                                                 5,267
<DEPRECIATION>                                             0
<TOTAL-ASSETS>                                        42,243
<CURRENT-LIABILITIES>                                  7,535
<BONDS>                                                  609
<PREFERRED-MANDATORY>                                      0
<PREFERRED>                                                0
<COMMON>                                                 444
<OTHER-SE>                                            33,655
<TOTAL-LIABILITY-AND-EQUITY>                          42,243
<SALES>                                               19,313
<TOTAL-REVENUES>                                      22,899
<CGS>                                                  3,368
<TOTAL-COSTS>                                         19,120
<OTHER-EXPENSES>                                           0
<LOSS-PROVISION>                                           0
<INTEREST-EXPENSE>                                        77
<INCOME-PRETAX>                                        3,702
<INCOME-TAX>                                               0
<INCOME-CONTINUING>                                    3,702
<DISCONTINUED>                                             0
<EXTRAORDINARY>                                            0
<CHANGES>                                                  0
<NET-INCOME>                                           3,702
<EPS-PRIMARY>                                           0.08
<EPS-DILUTED>                                              0