<ARTICLE> 5 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> JUN-30-1997 <PERIOD-END> JUN-30-1997 <CASH> 8,598,367 <SECURITIES> 16,153,890 <RECEIVABLES> 9,166,447 <ALLOWANCES> 52,000 <INVENTORY> 4,087,161 <CURRENT-ASSETS> 39,797,358 <PP&E> 21,248,630 <DEPRECIATION> 9,995,889 <TOTAL-ASSETS> 53,921,710 <CURRENT-LIABILITIES> 4,898,366 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 94,377 <OTHER-SE> 47,986,667 <TOTAL-LIABILITY-AND-EQUITY> 53,921,710 <SALES> 60,923,750 <TOTAL-REVENUES> 60,923,750 <CGS> 19,094,827 <TOTAL-COSTS> 19,094,827 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 29,357 <INCOME-PRETAX> 15,987,662 <INCOME-TAX> 5,106,000 <INCOME-CONTINUING> 10,881,662 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 10,881,662 <EPS-PRIMARY> 1.12 <EPS-DILUTED> 1.12