<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Condensed Consolidated Balance Sheets at March 31, 1997 (Unaudited) and the
Condensed Consolidated Statements of Operations and Cash Flows fo rthe three
months ended March 31, 1997 (Unaudited) and is qualified in its entirety by
reference to such financial statements.
</LEGEND>
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                       3,253,282
<SECURITIES>                                         0
<RECEIVABLES>                                7,147,740
<ALLOWANCES>                                   183,478
<INVENTORY>                                  2,976,202
<CURRENT-ASSETS>                            14,469,359
<PP&E>                                      14,073,331
<DEPRECIATION>                               7,526,524
<TOTAL-ASSETS>                              32,462,994
<CURRENT-LIABILITIES>                        6,613,759
<BONDS>                                              0
<COMMON>                                        34,414
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<OTHER-SE>                                  24,964,595
<TOTAL-LIABILITY-AND-EQUITY>                32,462,994
<SALES>                                     13,980,931
<TOTAL-REVENUES>                            13,980,931
<CGS>                                        7,999,524
<TOTAL-COSTS>                                4,442,453
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                            (18,669)
<INCOME-PRETAX>                              1,588,775
<INCOME-TAX>                                   632,333
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   956,442
<EPS-PRIMARY>                                      .27
<EPS-DILUTED>                                      .27