Significant Deferred Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2014	Dec. 31, 2013
Components Of Deferred Tax Assets And Liabilities [Line Items]
Oil and gas properties	$ (222,000)	$ (222,000)
Asset retirement obligations	241,000	241,000
Net deferred tax assets	2,748,000us-gaap_DeferredTaxAssetsGross	2,964,000us-gaap_DeferredTaxAssetsGross
Less valuation allowance	(2,748,000)	(2,964,000)
Net deferred tax assets	0us-gaap_DeferredTaxAssetsNet	0us-gaap_DeferredTaxAssetsNet
Federal
Components Of Deferred Tax Assets And Liabilities [Line Items]
Net operating loss carryforwards	2,465,000	2,677,000
State
Components Of Deferred Tax Assets And Liabilities [Line Items]
Net operating loss carryforwards	$ 264,000	$ 268,000

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.

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Amount of deferred tax liability attributable to taxable temporary differences from long-lived assets other than property, plant, and equipment.

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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