<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM BALANCE
SHEETS AS OF MARCH 31, 1996 AND STATEMENTS OF OPERATIONS FOR THE THREE MONTHS
ENDED MARCH 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
       
                                        
<PERIOD-TYPE>                              3-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-END>                               MAR-31-1996
<CASH>                                       8,398,387
<SECURITIES>                                 7,343,850
<RECEIVABLES>                                5,633,191
<ALLOWANCES>                                  (94,406)
<INVENTORY>                                  3,618,724
<CURRENT-ASSETS>                            25,809,269
<PP&E>                                      15,911,847
<DEPRECIATION>                             (6,355,938)
<TOTAL-ASSETS>                              35,951,297
<CURRENT-LIABILITIES>                        4,678,604
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        97,273
<OTHER-SE>                                  30,679,347
<TOTAL-LIABILITY-AND-EQUITY>                35,951,297
<SALES>                                      9,967,590
<TOTAL-REVENUES>                             9,967,590
<CGS>                                        5,372,531
<TOTAL-COSTS>                                1,807,221
<OTHER-EXPENSES>                             (942,769)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                           (155,989)
<INCOME-PRETAX>                              3,886,596
<INCOME-TAX>                                 1,403,061
<INCOME-CONTINUING>                          2,483,535
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 2,483,535
<EPS-PRIMARY>                                     0.25
<EPS-DILUTED>                                     0.25