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Income Taxes - Additional Information (Details) (USD $)
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12 Months Ended | |
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Jun. 30, 2014
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Jun. 30, 2013
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| Valuation Allowance [Line Items] | ||
| Change in valuation allowance | $ (5,900,000) | |
| Income tax expense (benefit) | 0 | 0 |
| Net long term deferred tax asset | 0 | 0 |
| Unrecognized tax benefits | 0 | 0 |
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Other Comprehensive Income
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| Valuation Allowance [Line Items] | ||
| Change in valuation allowance | (2,300,000) | |
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Amadeus Basin
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| Valuation Allowance [Line Items] | ||
| Deferred income taxes | $ (7,217,000) | $ (7,217,000) |
| X | ||||||||||
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- Definition
Disposal Group, Including Discontinued Operations, Deferred Income Taxes No definition available.
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| X | ||||||||||
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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