<TABLE> <S> <C>

<ARTICLE>       5
<LEGEND>
The schedule contains summary financial information extracted from quarterly 
financial statements for the twelve months ended December 31, 1995 and is 
qualified in its entirety by reference to such financial statements.
       
<S>                                                              <C>
<FISCAL-YEAR-END>                                                      DEC-31-1995
<PERIOD-END>                                                           DEC-31-1995
<PERIOD-TYPE>                                                               12-MOS
<CASH>                                                                  40,093,105
<SECURITIES>                                                            26,273,263
<RECEIVABLES>                                                            6,579,095
<ALLOWANCES>                                                              (935,000)
<INVENTORY>                                                              3,492,326
<CURRENT-ASSETS>                                                        76,974,662
<PP&E>                                                                  12,739,481
<DEPRECIATION>                                                          (5,562,748)
<TOTAL-ASSETS>                                                          92,245,305
<CURRENT-LIABILITIES>                                                   12,719,766
<BONDS>                                                                          0
<PREFERRED-MANDATORY>                                                            0 
<PREFERRED>                                                                      0
<COMMON>                                                                   584,724
<OTHER-SE>                                                              54,401,318
<TOTAL-LIABILITY-AND-EQUITY>                                            92,245,305
<SALES>                                                                 52,229,671
<TOTAL-REVENUES>                                                        62,003,183
<CGS>                                                                   21,236,836
<TOTAL-COSTS>                                                           21,236,836
<OTHER-EXPENSES>                                                           648,616
<LOSS-PROVISION>                                                                 0
<INTEREST-EXPENSE>                                                               0
<INCOME-PRETAX>                                                         25,231,051
<INCOME-TAX>                                                             9,584,000
<INCOME-CONTINUING>                                                     15,647,051
<DISCONTINUED>                                                            (130,247)
<EXTRAORDINARY>                                                                  0
<CHANGES>                                                                        0
<NET-INCOME>                                                            15,516,804
<EPS-PRIMARY>                                                                 3.93
<EPS-DILUTED>                                                                    0
        

</TABLE>