<TABLE> <S> <C>

<ARTICLE>  5
<LEGEND>   This schedule contains summary financial information extracted
           from the Balance Sheet and Statement of Operations included in the
           Company's Form 10-K for the year ended December 31, 1997 and is
           qualified in its entirety by reference to such Financial Statements.
</LEGEND> 
<MULTIPLIER>1
       
<S>                                        <C>          <C>          <C>
<FISCAL-YEAR-END>                          Dec-31-1997  Dec-31-1996  Dec-31-1995
<PERIOD-START>                             Jan-01-1997  Jan-01-1996  Jan-01-1995
<PERIOD-END>                               Dec-31-1997  Dec-31-1996  Dec-31-1995
<PERIOD-TYPE>                              12-MOS       12-MOS       12-MOS
<CASH>                                       5,135,000    2,492,000    3,487,000
<SECURITIES>                                 3,830,000    6,007,000    4,322,000
<RECEIVABLES>                                6,475,000    5,360,000    3,875,000
<ALLOWANCES>                                   723,000      508,000      467,000
<INVENTORY>                                  5,137,000    5,287,000    3,914,000
<CURRENT-ASSETS>                            22,446,000   20,605,000   16,366,000
<PP&E>                                       7,326,000    5,109,000    2,246,000
<DEPRECIATION>                               2,507,000    1,317,000      966,000
<TOTAL-ASSETS>                              31,832,000   28,966,000   25,716,000
<CURRENT-LIABILITIES>                        5,175,000    4,323,000    1,969,000
<BONDS>                                              0            0            0
<PREFERRED-MANDATORY>                                0            0            0
<PREFERRED>                                          0            0            0
<COMMON>                                         5,000        5,000        5,000
<OTHER-SE>                                  26,652,000   24,638,000   23,722,000
<TOTAL-LIABILITY-AND-EQUITY>                31,832,000   28,966,000   25,716,000
<SALES>                                     63,846,000   51,590,000   36,823,000
<TOTAL-REVENUES>                            63,846,000   51,590,000   36,823,000
<CGS>                                       30,759,000   25,181,000   16,916,000
<TOTAL-COSTS>                               30,759,000   25,181,000   16,916,000
<OTHER-EXPENSES>                            30,826,000   25,875,000   20,472,000
<LOSS-PROVISION>                                     0            0            0
<INTEREST-EXPENSE>                              13,000       13,000      150,000
<INCOME-PRETAX>                              2,960,000    1,234,000      (23,000)
<INCOME-TAX>                                 1,184,000      493,000   (2,112,000)
<INCOME-CONTINUING>                          1,776,000      741,000    2,089,000
<DISCONTINUED>                                       0            0            0
<EXTRAORDINARY>                                      0            0      137,000
<CHANGES>                                            0            0            0
<NET-INCOME>                                 1,776,000      741,000    1,952,000
<EPS-PRIMARY>                                    $0.35        $0.15        $0.44
<EPS-DILUTED>                                    $0.35        $0.15        $0.43
        

</TABLE>