Final Purchase Price Allocation (Detail) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Tonopah mine tailings		$ 24,888,252
Tonopah dormant milling facility		8,062,875
Tonopah land		1,760,000
Tonopah water rights		348,300
Manhattan mine dumps		100,000
Total	$ 2,108,300	$ 35,159,427

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Business Acquisition Purchase Price Allocations Mineral Rights.

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