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Commitments and Contingencies Claim Rentals (Details) (USD $) |  |  |  | 9 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2013 | Jun. 30, 2012 Tetlin Lease [Member] | Mar. 31, 2013 Gold Properties [Member] | Mar. 31, 2013 Stone Rock and Salmon Bay [Member] | Mar. 31, 2013 Native Village of Tetlin Land [Member]
Claim Rentals [Line Items] |  |  |  |  |
Initial and Renewal Terms of Leases and Concessions on Undeveloped Acreage |  |  |  |  | 10 years
Annual claim rentals |  |  | $ 58,765 | $ 24,080 |
Annual Labor Requirements | 10,850 |  |  |  |
Contractual Annual Exploration Costs |  | $ 350,000 |  |  |

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