Oil and Gas Disclosures (Unaudited) - Results of Operations from Oil and Natural Gas Producing Activities (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Oil And Gas Disclosures - Results Of Operations From Oil And Natural Gas Producing Activities Details
Oil and gas revenues	$ 988	$ 1,093
Less:
Oil and gas operating costs	218	209
Depreciation, amortization and accretion	411	479
Property impairments	1,688us-gaap_ImpairmentOfOilAndGasProperties
Total oil and gas expenses	2,317	688
Results of operations from oil and gas producing activities	$ (1,329)	$ 405

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

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-Name Accounting Standards Codification

-Topic 932

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Depreciation, depletion and amortization, and valuation provisions (impairments) related to oil and gas producing activities.

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The amount of expenses related to oil and gas producing activities.

+ References

No definition available.

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The results of operations for oil and gas producing activities, excluding corporate overhead and interest costs.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

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Production (lifting) costs from oil and gas producing activities, including but not limited to lease operating expense, production and ad valorem taxes, and transportation expense.

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Total revenues from oil and gas producing activities.

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

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-Name Accounting Standards Codification

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