<ARTICLE> 5
       
                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1998
<PERIOD-END>                               DEC-31-1997
<CASH>                                       1,584,347
<SECURITIES>                                   166,066
<RECEIVABLES>                                2,860,195
<ALLOWANCES>                                    88,839
<INVENTORY>                                  2,471,001
<CURRENT-ASSETS>                             7,484,812
<PP&E>                                       9,104,030
<DEPRECIATION>                               4,585,814
<TOTAL-ASSETS>                              12,331,256
<CURRENT-LIABILITIES>                        1,788,614
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        40,648
<OTHER-SE>                                  10,290,994
<TOTAL-LIABILITY-AND-EQUITY>                12,331,256
<SALES>                                      6,939,772
<TOTAL-REVENUES>                             6,939,772
<CGS>                                        4,784,343
<TOTAL-COSTS>                                4,784,343
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                20,240
<INTEREST-EXPENSE>                                 872
<INCOME-PRETAX>                                161,600
<INCOME-TAX>                                     8,000
<INCOME-CONTINUING>                            153,600
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   153,600
<EPS-PRIMARY>                                      .04
<EPS-DILUTED>                                      .04