<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED CONDENSED BALANCE SHEETS AS OF JUNE 30, 2000 AND THE CONSOLIDATED
CONDENSED STATEMENTS OF OPERATIONS FOR THE NINE MONTHS THEN ENDED AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> JUN-30-2000
<CASH> 1,299,000
<SECURITIES> 0
<RECEIVABLES> 137,000
<ALLOWANCES> 0
<INVENTORY> 487,000
<CURRENT-ASSETS> 2,120,000
<PP&E> 47,559,000
<DEPRECIATION> 32,161,000
<TOTAL-ASSETS> 18,126,000
<CURRENT-LIABILITIES> 4,802,000
<BONDS> 0
0
0
<COMMON> 149,000
<OTHER-SE> 12,089,000
<TOTAL-LIABILITY-AND-EQUITY> 18,126,000
<SALES> 41,828,000
<TOTAL-REVENUES> 41,828,000
<CGS> 11,135,000
<TOTAL-COSTS> 37,869,000
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 17,000
<INCOME-PRETAX> 440,000
<INCOME-TAX> 0
<INCOME-CONTINUING> 440,000
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 440,000
<EPS-BASIC> .30
<EPS-DILUTED> .30
</TABLE>