<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> JUN-30-1998 <PERIOD-END> JUN-30-1998 <CASH> 27,372,345 <SECURITIES> 15,321,935 <RECEIVABLES> 10,270,937 <ALLOWANCES> 269,000 <INVENTORY> 3,810,600 <CURRENT-ASSETS> 58,521,004 <PP&E> 23,111,203 <DEPRECIATION> 11,423,903 <TOTAL-ASSETS> 72,918,881 <CURRENT-LIABILITIES> 7,433,014 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 190,500 <OTHER-SE> 63,640,267 <TOTAL-LIABILITY-AND-EQUITY> 72,918,881 <SALES> 67,291,438 <TOTAL-REVENUES> 67,291,438 <CGS> 20,009,641 <TOTAL-COSTS> 20,009,641 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 22,410,961 <INCOME-TAX> 7,228,000 <INCOME-CONTINUING> 15,182,961 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 15,182,961 <EPS-PRIMARY> .80 <EPS-DILUTED> .77