<ARTICLE> 5
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               SEP-30-1998
<EXCHANGE-RATE>                                      1
<CASH>                                      11,039,295
<SECURITIES>                                         0
<RECEIVABLES>                                1,810,766
<ALLOWANCES>                                    60,974
<INVENTORY>                                  3,394,239
<CURRENT-ASSETS>                            19,412,603
<PP&E>                                      14,883,053
<DEPRECIATION>                               9,552,167
<TOTAL-ASSETS>                              24,898,586
<CURRENT-LIABILITIES>                        2,357,324
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        54,602
<OTHER-SE>                                  20,952,634
<TOTAL-LIABILITY-AND-EQUITY>                24,898,586
<SALES>                                     10,814,718
<TOTAL-REVENUES>                            11,888,364
<CGS>                                        9,015,139
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<OTHER-EXPENSES>                             2,714,674
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              91,492
<INCOME-PRETAX>                              (727,384)
<INCOME-TAX>                                     1,256
<INCOME-CONTINUING>                          (728,640)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (728,640)
<EPS-PRIMARY>                                    (.11)
<EPS-DILUTED>                                    (.11)