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Oil and Gas Activities (Details) (USD $)
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3 Months Ended | 12 Months Ended | |
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Mar. 31, 2013
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Jun. 30, 2013
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Jun. 30, 2012
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| Extractive Industries [Abstract] | |||
| Impairment | $ 900,000 | $ 890,000 | $ 328,000 |
| Exploration abandonment and impairment expense | $ 2,200,000 | ||
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- Definition
The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Definition
The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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