<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)