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7. Income Taxes - Reconciliation of the provision for income taxes to income taxes computed (Details) - USD ($)	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Tax expense at federal statutory rate	$ (183,085)	$ 106,374	$ (70,678)
Statutory depletion carryforward	(71,292)	(127,204)
Effect of graduated rates	12,221	(13,841)	$ 3,391
Permanent differences	44,576	46,421	35,783
Total income tax (benefit) expense	$ (197,499)	$ 11,750	$ (31,504)
Effective income tax rate	(37.00%)	4.00%	(15.00%)

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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