<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CONSOLIDATED
BALANCE SHEET AT DECEMBER 31, 1999 AND THE CONSOLIDATED STATEMENT OF OPERATIONS
FOR THE SIX MONTHS ENDED DECEMBER 31, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          JUN-30-1999
<PERIOD-START>                             OCT-01-1999
<PERIOD-END>                               DEC-31-1999
<CASH>                                       3,877,134
<SECURITIES>                                 9,362,536
<RECEIVABLES>                                4,881,784
<ALLOWANCES>                                   578,620
<INVENTORY>                                    645,794
<CURRENT-ASSETS>                            23,677,279
<PP&E>                                      51,567,527
<DEPRECIATION>                              25,796,474
<TOTAL-ASSETS>                              79,660,857
<CURRENT-LIABILITIES>                        9,099,513
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                     4,374,450
<OTHER-SE>                                  56,099,734
<TOTAL-LIABILITY-AND-EQUITY>                70,660,857
<SALES>                                     14,019,768
<TOTAL-REVENUES>                            15,267,232
<CGS>                                       11,626,853
<TOTAL-COSTS>                               16,694,624
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                            (1,085,524)
<INCOME-TAX>                                 (350,000)
<INCOME-CONTINUING>                          (735,524)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                 (735,524)
<EPS-BASIC>                                     (0.66)
<EPS-DILUTED>                                   (0.66)