<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED FINANCIAL STATEMENTS OF THE COMPANY AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED> 
       
                                                  
<PERIOD-TYPE>                   YEAR                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996
<PERIOD-START>                             JAN-01-1997             JAN-01-1996
<PERIOD-END>                               DEC-31-1997             DEC-31-1996
<CASH>                                       7,701,507               6,042,593
<SECURITIES>                                         0                       0
<RECEIVABLES>                               11,944,054               9,233,616
<ALLOWANCES>                                   215,823                 143,000
<INVENTORY>                                 17,445,632              11,901,123
<CURRENT-ASSETS>                            38,110,297              27,639,059
<PP&E>                                      10,796,836               6,502,974
<DEPRECIATION>                               3,396,846               2,639,165
<TOTAL-ASSETS>                              46,752,498              32,462,220
<CURRENT-LIABILITIES>                       10,707,393               7,896,606
<BONDS>                                        171,761                 150,195
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                        90,324                  85,698
<OTHER-SE>                                  35,532,705              23,943,249
<TOTAL-LIABILITY-AND-EQUITY>                46,752,498              32,462,220
<SALES>                                     70,205,111              51,753,864
<TOTAL-REVENUES>                            70,205,111              51,753,864
<CGS>                                       49,480,113              36,396,527
<TOTAL-COSTS>                               49,480,113              36,396,527
<OTHER-EXPENSES>                             8,983,524               6,983,458
<LOSS-PROVISION>                               187,110                  63,995
<INTEREST-EXPENSE>                              31,902                 363,508
<INCOME-PRETAX>                             11,808,394               7,946,376
<INCOME-TAX>                                 4,099,055               2,909,683
<INCOME-CONTINUING>                          7,709,339               5,036,693
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 7,709,339               5,036,693
<EPS-PRIMARY>                                    $0.88                   $0.68
<EPS-DILUTED>                                    $0.82                   $0.63