INFORMATION RELATING TO THE CONSOLIDATED STATEMENTS OF CASH FLOWS (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2015	Sep. 30, 2014
Increase (decrease) from changes in:
Receivables	$ 324	$ 542
Other current assets	(447)	1,629
Accounts payable	(439)	(681)
Accrued compensation	(323)	(117)
Other current liabilities	(687)	976
(Decrease) increase from changes in current assets and liabilities	(1,572)	2,349
Supplemental disclosure of cash flow information:
Interest	306	646
Income taxes paid, net of refunds	1,812	765
Supplemental disclosure of non-cash investing and financing activities:
Receivable for proceeds on sale of investments	0	102
Supplemental disclosures of cash flow information:
Increase in capital expenditure accruals related to oil and natural gas asset retirement obligations	1,234	2,542
Oil and natural gas
Supplemental disclosures of cash flow information:
Increase (decrease) in capital expenditure accruals related to oil and natural gas exploration and development	(61)	(1,195)
Increase in capital expenditure accruals related to oil and natural gas asset retirement obligations	$ 1,234	$ 2,542

Represents the additional payment received by the entity for the sale of other investment interest.

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The increase (decrease) during the reporting period in the capital expenditure accruals related to oil and natural gas exploration and development.

+ References

No definition available.

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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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The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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The increase (decrease) during the reporting period in the carrying amount of asset retirement obligations.

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The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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The increase (decrease) during the reporting period of all assets and liabilities used in operating activities.

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The increase (decrease) during the reporting period in other current operating assets not separately disclosed in the statement of cash flows.

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The increase (decrease) during the reporting period in other current operating liabilities not separately disclosed in the statement of cash flows.

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- Definition

The amount of cash paid for interest during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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