<ARTICLE> 5
<CURRENCY> 0
       
                                                  
<PERIOD-TYPE>                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          JUN-30-1995             JUN-30-1994
<PERIOD-START>                             JUL-01-1994             JUL-01-1993
<PERIOD-END>                               JUN-30-1995             JUN-30-1994
<EXCHANGE-RATE>                                1.00000                 1.00000
<CASH>                                      16,126,904              12,384,054
<SECURITIES>                                         0                       0
<RECEIVABLES>                               20,148,187              15,536,285
<ALLOWANCES>                                   700,000                 525,000
<INVENTORY>                                 13,136,664               7,833,755
<CURRENT-ASSETS>                            52,863,708              40,206,302
<PP&E>                                      35,390,477              28,740,160
<DEPRECIATION>                              15,443,041              11,929,911
<TOTAL-ASSETS>                              78,038,570              58,917,220
<CURRENT-LIABILITIES>                       13,450,310               9,174,403
<BONDS>                                              0                       0
<COMMON>                                       167,448                 163,446
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<OTHER-SE>                                  58,201,748              44,060,663
<TOTAL-LIABILITY-AND-EQUITY>                78,038,570              44,224,109
<SALES>                                     99,450,333              78,171,028
<TOTAL-REVENUES>                            99,450,333              78,171,028
<CGS>                                       43,077,158              34,830,308
<TOTAL-COSTS>                               43,077,158              34,830,308
<OTHER-EXPENSES>                            37,644,661              36,353,148
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             193,550                 171,223
<INCOME-PRETAX>                             18,534,964               6,816,349
<INCOME-TAX>                                 6,857,937               2,075,105
<INCOME-CONTINUING>                         11,677,027               4,741,244
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                11,677,027               4,741,244
<EPS-PRIMARY>                                      .67                     .27
<EPS-DILUTED>                                      0.0                     0.0