Income Taxes (Details 3) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Accounts receivable	$ 1,600	$ 1,600	$ 1,600
Asset retirement obligations	519,800	500,100	482,700
Statutory depletion carryover	1,718,700	1,718,700	1,766,200
Accrued liabilities	262,800	260,900	243,500
Total deferred tax assets	2,502,900	2,481,300	2,494,000
Property and equipment	102,000	281,500	225,800
Valuation allowance	(1,718,700)	(1,718,700)	(1,766,200)
Deferred Tax Assets, Net	$ 886,200	$ 1,044,100	$ 953,600

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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- Definition

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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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from other reserves not separately disclosed.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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