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Costs Incurred (Details)	3 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Nov. 29, 2010 a
Costs Incurred to acquire and explore mining properties [Line Items]
Exploration costs and claim rentals	$ 0	$ 14,425
Total costs incurred	$ 0	$ 14,425
Native Village of Tetlin Land [Member]
Costs Incurred to acquire and explore mining properties [Line Items]
Initial and Renewal Terms of Leases and Concessions on Undeveloped Acreage	10 years
Leasehold Interest Acreage | a			675,000

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- Definition

[Line Items] for Costs Incurred to acquire and explore mining properties [Table]

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No definition available.

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- Definition

The sum of the both capitalized costs incurred and costs expensed during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production costs for mining properties.

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- Definition

Exploration expenses (including prospecting) and claim rentals related to the mining industry would be included in operating expenses. Exploration costs include costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of mineral reserves.

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No definition available.

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- Definition

Initial & Renewal Terms of Leases and Concessions on Undeveloped Acreage

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- Definition

Leasehold Interest Acreage

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