<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          MAY-31-1997
<PERIOD-START>                             JUN-01-1996
<PERIOD-END>                               MAY-31-1997
<CASH>                                         376,145
<SECURITIES>                                         0
<RECEIVABLES>                                3,664,221
<ALLOWANCES>                                    45,182
<INVENTORY>                                  2,178,744
<CURRENT-ASSETS>                             6,430,781
<PP&E>                                       2,601,302
<DEPRECIATION>                               2,230,465
<TOTAL-ASSETS>                               9,183,137
<CURRENT-LIABILITIES>                        3,055,075
<BONDS>                                         59,710
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        43,541
<OTHER-SE>                                   6,024,811
<TOTAL-LIABILITY-AND-EQUITY>                 9,183,137
<SALES>                                     21,942,508
<TOTAL-REVENUES>                            24,757,619
<CGS>                                       16,144,730
<TOTAL-COSTS>                               17,658,571
<OTHER-EXPENSES>                             6,154,549
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              27,309
<INCOME-PRETAX>                                917,190
<INCOME-TAX>                                   390,318
<INCOME-CONTINUING>                            526,872
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   526,872
<EPS-PRIMARY>                                      .12
<EPS-DILUTED>                                        0