Income Taxes (Details Narrative) (USD $)	6 Months Ended
Sep. 30, 2013
Notes to Financial Statements
Statutory depletion carryforward	$ 4,700,000
Operating loss carryforwards	3,200,000
Operating loss carryforward expires beginning	2021
Unrecognized tax benefits	677,000
Statutory Depletion Carryforward, tax effect	$ 75,000

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Amount before allocation of valuation allowances of deferred tax asset attributable to other deductible tax credit carryforwards not separately disclosed.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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