Mineral Interests (Detail) - The transaction described relating to the acquisition of TUSA (USD $)	Jan. 31, 2013
Purchase Price:
Mineral rights	$ 1,400,000
Mining Properties and Mineral Rights [Member]
Fair value of net tangible assets acquired:
Cash	12,829
Accrued interests receivable	3,202
Restricted deposits	930,000
Accounts payable	(204)
Asset retirement obligation	(52,000)
Acquired net assets (100%)	893,827
Purchase Price:
Promissory note payable	325,327
Due to Tournigan Energy, net	878,000
Total	1,203,327
Mineral rights	$ 309,500

Accrued interests receivable

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The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of cash paid to acquire the entity.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will not be amortized. Does not include goodwill.

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The amount of acquisition cost of a business combination allocated to notes payables and long-term debt assumed from the acquired entity.

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Carrying amount at the balance sheet date of mineral rights, or rights to extract a mineral from the earth or to receive payment in the form of a royalty for the extraction of minerals, net of amortization.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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