SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED)
Estimated future net cash flows, discount rate (as a percent)	10.00%
Capitalized Costs Related to Oil and Gas Activities
Unproved properties	$ 14,259	$ 21,174	$ 39,278
Total oil and gas properties	14,259	21,174	39,278
Oil and gas properties, using full-cost accounting	14,259	21,174	39,278
Republic of Guinea
Capitalized Costs Related to Oil and Gas Activities
Unproved properties	14,259	21,174	39,278
Total oil and gas properties	14,259	21,174	39,278
Oil and gas properties, using full-cost accounting	$ 14,259	$ 21,174	$ 39,278

Represents the rate of discount used to estimate future net cash flows of the entity.

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- Definition

The sum of capitalized costs relating to oil and gas producing activities before accounting for accumulated depreciation.

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Net amount of capitalized costs relating to oil and gas producing activities.

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- Definition

Capitalized costs of unproved properties incurred for any combination mineral interests acquisitions and other costs not previously disclosed within this table.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 13

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Properties

-URI http://asc.fasb.org/extlink&oid=21914647

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-Glossary Unproved Properties

-URI http://asc.fasb.org/extlink&oid=6527831

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