<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE YEAR
ENDED DECEMBER 31, 1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
       
                             
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               DEC-31-1996
<EXCHANGE-RATE>                                      1
<CASH>                                       6,112,000
<SECURITIES>                                 4,220,000
<RECEIVABLES>                                4,110,000
<ALLOWANCES>                                   339,000
<INVENTORY>                                  3,462,000
<CURRENT-ASSETS>                            18,704,000
<PP&E>                                       2,842,000
<DEPRECIATION>                               2,154,000
<TOTAL-ASSETS>                              20,323,000
<CURRENT-LIABILITIES>                       1,792,000
<BONDS>                                          5,000
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    484,000
<COMMON>                                    35,433,000
<OTHER-SE>                                 (17,386,000)
<TOTAL-LIABILITY-AND-EQUITY>                20,323,000
<SALES>                                     19,917,000
<TOTAL-REVENUES>                            19,917,000
<CGS>                                        5,394,000
<TOTAL-COSTS>                                5,643,000
<OTHER-EXPENSES>                            14,141,000
<LOSS-PROVISION>                               339,000
<INTEREST-EXPENSE>                            (525,000)
<INCOME-PRETAX>                                658,000
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                            658,000
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   658,000
<EPS-PRIMARY>                                      .09
<EPS-DILUTED>                                      .09