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INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) (USD $)	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Supplemental disclosures of cash flow information:
Interest	$ 586,000	$ 742,000
Income taxes	455,000	1,564,000
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	(2,041,000)	1,599,000
Increase (decrease) in capital expenditure accruals related to oil and gas asset retirement obligations	$ 29,000	$ 126,000

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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