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INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Increase (decrease) from changes in: |  |
Receivables | $ 2,409,000 | $ 2,894,000
Other current assets | 46,000 | 656,000
Accounts payable | (214,000) | 1,378,000
Accrued compensation | (739,000) | (7,000)
Other current liabilities | (357,000) | (1,073,000)
Increase from changes in current assets and liabilities | 1,145,000 | 3,848,000
Supplemental disclosures of cash flow information: |  |
Interest | 743,000 | 996,000
Income taxes | 457,000 | 1,774,000
Supplemental disclosure of non-cash investing and financing activities: |  |
Long term debt borrowings refinanced |  | 12,500,000
Oil and natural gas |  |
Supplemental disclosures of cash flow information: |  |
Increase (decrease) in capital expenditure accruals related to oil and gas exploration and development | (2,245,000) | 298,000
Increase (decrease) in capital expenditure accruals related to oil and gas asset retirement obligations | $ 388,000 | $ (207,000)

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