<ARTICLE>                                   5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
condensed  consolidated financial statements included herein and is qualified in
its entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER>                                1

                                         
<PERIOD-TYPE>                               9-MOS
<FISCAL-YEAR-END>                           DEC-31-2000
<PERIOD-START>                              JAN-01-2000
<PERIOD-END>                                SEP-30-2000
<CASH>                                      16,486,177
<SECURITIES>                                11,205,498
<RECEIVABLES>                                4,642,742
<ALLOWANCES>                                   107,232
<INVENTORY>                                  1,775,374
<CURRENT-ASSETS>                            34,737,657
<PP&E>                                      16,189,108
<DEPRECIATION>                               9,478,044
<TOTAL-ASSETS>                              44,481,209
<CURRENT-LIABILITIES>                        9,229,440
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                   148,784,219
<OTHER-SE>                                (118,973,322)
<TOTAL-LIABILITY-AND-EQUITY>                29,810,897
<SALES>                                     20,397,691
<TOTAL-REVENUES>                            21,002,299
<CGS>                                        8,210,484
<TOTAL-COSTS>                               31,285,061
<OTHER-EXPENSES>                              (644,606)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                            (568,192)
<INCOME-PRETAX>                             (9,069,964)
<INCOME-TAX>                                    24,363
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                               (9,094,327)
<EPS-BASIC>                                     (0.26)
<EPS-DILUTED>                                   (0.26)