<ARTICLE> 5
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               SEP-30-1997
<CASH>                                            3612
<SECURITIES>                                      1501
<RECEIVABLES>                                     3468
<ALLOWANCES>                                         0
<INVENTORY>                                       1839
<CURRENT-ASSETS>                                 10681
<PP&E>                                            1372
<DEPRECIATION>                                     880
<TOTAL-ASSETS>                                   13770
<CURRENT-LIABILITIES>                             1883
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                         22
<COMMON>                                           131
<OTHER-SE>                                       11705
<TOTAL-LIABILITY-AND-EQUITY>                     13770
<SALES>                                           9306
<TOTAL-REVENUES>                                 10584
<CGS>                                                0
<TOTAL-COSTS>                                     3826
<OTHER-EXPENSES>                                  5576
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                   1182
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                               1182
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                      1182
<EPS-PRIMARY>                                      .08
<EPS-DILUTED>                                      .08