<ARTICLE> 5
<LEGEND> This schedule contains summary financial information extracted from 
the financial statements and related notes for the period ended January 31, 1996
and the financial statements and related notes for the period ended January 31, 
1997, and is qualified in its entirety by reference to such financial
statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                         OCT-31-1996
<PERIOD-START>                            NOV-01-1995
<PERIOD-END>                              JAN-31-1996
<CASH>                                      9,731,736 
<SECURITIES>                               19,228,811 
<RECEIVABLES>                               2,054,727 
<ALLOWANCES>                                   49,300 
<INVENTORY>                                 2,293,168 
<CURRENT-ASSETS>                           17,624,810       
<PP&E>                                      3,347,651      
<DEPRECIATION>                              3,347,651    
<TOTAL-ASSETS>                             36,889,620      
<CURRENT-LIABILITIES>                       1,302,986    
<BONDS>                                             0  
<COMMON>                                       93,940 
<PREFERRED-MANDATORY>                               0 
<PREFERRED>                                         0 
<OTHER-SE>                                 35,492,694       
<TOTAL-LIABILITY-AND-EQUITY>               36,889,620         
<SALES>                                     2,836,725          
<TOTAL-REVENUES>                            2,836,725          
<CGS>                                         802,290          
<TOTAL-COSTS>                               1,442,649          
<OTHER-EXPENSES>                                    0       
<LOSS-PROVISION>                                    0      
<INTEREST-EXPENSE>                                  0       
<INCOME-PRETAX>                               865,029       
<INCOME-TAX>                                  341,000      
<INCOME-CONTINUING>                           524,029      
<DISCONTINUED>                              (318,637)  
<EXTRAORDINARY>                                     0      
<CHANGES>                                           0  
<NET-INCOME>                                  205,392 
<EPS-PRIMARY>                                     .02 
<EPS-DILUTED>                                     .02