SUPPLEMENTAL OIL AND GAS INFORMATION (UNAUDITED) (Details 3) - USD ($) $ in Thousands		12 Months Ended
May. 16, 2014	Jun. 30, 2015	Jun. 30, 2014
Costs Incurred in Oil and Gas Activities
Exploration		$ 52	$ (6,586)
Total costs incurred		52	(6,586)
Republic of Guinea
Costs Incurred in Oil and Gas Activities
Exploration		52	(6,586)
Total costs incurred		$ 52	$ (6,586)
AGR Peak Well Management Ltd \| AGR Lawsuit
Costs Incurred in Oil and Gas Activities
Decrease in oil and gas property balance after reaching a lawsuit settlement	$ 6,800
Release of previously escrowed cash held by AGR	$ 17,700

Represents the total costs incurred in oil and gas activities.

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- Definition

The decrease during the reporting period in the oil and gas property balance after reaching a lawsuit settlement with the third party.

+ References

No definition available.

+ Details

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- Definition

Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Exploration

-URI http://asc.fasb.org/extlink&oid=6512329

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 18

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447

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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.

+ References

No definition available.

+ Details

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- Definition

Amount of cash inflow associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

+ References

No definition available.

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