<ARTICLE> 5
<CURRENCY> US DOLLARS

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               SEP-30-1999
<EXCHANGE-RATE>                                      1
<CASH>                                       1,383,560
<SECURITIES>                                13,578,826
<RECEIVABLES>                                2,415,015
<ALLOWANCES>                                  (59,000)
<INVENTORY>                                  4,186,360
<CURRENT-ASSETS>                            22,145,503
<PP&E>                                       7,799,366
<DEPRECIATION>                               4,349,204
<TOTAL-ASSETS>                              31,668,695
<CURRENT-LIABILITIES>                        2,191,332
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        99,919
<OTHER-SE>                                  29,368,624
<TOTAL-LIABILITY-AND-EQUITY>                31,668,695
<SALES>                                     10,456,490
<TOTAL-REVENUES>                            10,456,490
<CGS>                                        5,423,611
<TOTAL-COSTS>                                5,423,611
<OTHER-EXPENSES>                             5,091,281
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                779,524
<INCOME-TAX>                                    23,691
<INCOME-CONTINUING>                            755,833
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   755,833
<EPS-BASIC>                                       0.08
<EPS-DILUTED>                                     0.07