<ARTICLE>                     5

       
                                            
<PERIOD-TYPE>                                  9-MOS
<FISCAL-YEAR-END>                              DEC-31-1997
<PERIOD-START>                                 JUL-01-1997
<PERIOD-END>                                   SEP-30-1997
<CASH>                                          1,392,000
<SECURITIES>                                      703,000
<RECEIVABLES>                                   1,135,000
<ALLOWANCES>                                     (620,000)
<INVENTORY>                                     1,413,000
<CURRENT-ASSETS>                                4,423,000
<PP&E>                                          3,115,000
<DEPRECIATION>                                  2,121,000
<TOTAL-ASSETS>                                  6,090,000
<CURRENT-LIABILITIES>                           3,184,000
<BONDS>                                                 0
<PREFERRED-MANDATORY>                                   0
<PREFERRED>                                         4,000
<COMMON>                                          449,000
<OTHER-SE>                                     64,093,000
<TOTAL-LIABILITY-AND-EQUITY>                    6,090,000
<SALES>                                         2,336,000
<TOTAL-REVENUES>                                3,970,000
<CGS>                                           2,798,000
<TOTAL-COSTS>                                  10,820,000
<OTHER-EXPENSES>                                 (312,000)
<LOSS-PROVISION>                                        0
<INTEREST-EXPENSE>                                (28,000)
<INCOME-PRETAX>                                (7,190,000)
<INCOME-TAX>                                            0
<INCOME-CONTINUING>                            (7,190,000)
<DISCONTINUED>                                          0
<EXTRAORDINARY>                                         0
<CHANGES>                                               0
<NET-INCOME>                                   (7,190,000)
<EPS-PRIMARY>                                       (0.16)
<EPS-DILUTED>                                       (0.16)