<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AT MARCH 31, 1999 AND THE CONSOLIDATED STATEMENT OF OPERATI0NS FOR THE NINE MONTHS ENDED MARCH 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> JUN-30-1999 <PERIOD-START> JUL-01-1998 <PERIOD-END> MAR-31-1999 <CASH> 10,956,773 <SECURITIES> 29,440,915 <RECEIVABLES> 2,085,780 <ALLOWANCES> 199,814 <INVENTORY> 630,206 <CURRENT-ASSETS> 44,586,863 <PP&E> 35,730,888 <DEPRECIATION> 24,491,573 <TOTAL-ASSETS> 67,739,072 <CURRENT-LIABILITIES> 3,397,379 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 4,161,300 <OTHER-SE> 59,745,393 <TOTAL-LIABILITY-AND-EQUITY> 67,739,072 <SALES> 11,935,918 <TOTAL-REVENUES> 15,486,625 <CGS> 10,593,641 <TOTAL-COSTS> 17,719,338 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> (397,368) <INCOME-TAX> (55,000) <INCOME-CONTINUING> (342,368) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (342,368) <EPS-PRIMARY> (0.31) <EPS-DILUTED> (0.30)