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Costs Incurred (Tables) | 9 Months Ended
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Mar. 31, 2015
Mineral Industries Disclosures [Abstract] |
Costs to Acquire and Explore the Properties | Costs to acquire and explore the Original Properties and Additional Properties were as follows:
|  | Three Months Ended March 31, |  | Nine Months Ended March 31, |
|  | 2015 |  | 2014 |  | 2015 |  | 2014 |
Acquisition of mineral interests |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
Exploration costs, claim rentals, and minimum royalties |  | 318,779 |  |  | 254,174 |  |  | 613,515 |  |  | 6,874,708 |  |
Total costs incurred |  | $ | 318,779 |  |  | $ | 254,174 |  |  | $ | 613,515 |  |  | $ | 6,874,708 |  |

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- Definition Tabular disclosure 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. [Table Text Block] + References No definition available. + Details
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- Details
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