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Investment in Peak Gold, LLC (Tables) | 3 Months Ended
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Sep. 30, 2016
Schedule of Equity Method Investments [Line Items] |
Summarized Income Statement of Equity Method Investment [Table Text Block] | The following table presents the condensed results of operations for Peak Gold, LLC for the three month periods ended September 30, 2016 and 2015:
| Three Months Ended |  | Three Months Ended |  | Inception to Date
| September 30, 2016 |  | September 30, 2015 |  | September 30, 2016
EXPENSES: |  |  |  |  |
Exploration expense | $ | 3,012,330 |  |  | $ | 2,960,055 |  |  | $ | 12,544,189 |
General and administrative | 440,363 |  |  | 354,254 |  |  | 2,242,762 |
Total expenses | 3,452,693 |  |  | 3,314,309 |  |  | 14,786,951 |
NET LOSS | $ | 3,452,693 |  |  | $ | 3,314,309 |  |  | $ | 14,786,951 |
Roll-forward of Equity Method Investment [Table Text Block] | The following table is a roll-forward of our investment in the Joint Venture Company from January 8, 2015 (inception) to September 30, 2016:
| Investment
| in Peak Gold, LLC
Investment balance at June 30, 2014 | $ | — |
Investment in Peak Gold, LLC, at inception January 8, 2015 | 1,433,886 |
Loss from equity investment in Peak Gold, LLC | (1,433,886 | )
Investment balance at June 30, 2015 | $ | — |
Investment in Peak Gold, LLC | — |
Loss from equity investment in Peak Gold, LLC | — |
Investment balance at June 30, 2016 | $ | — |
Investment in Peak Gold, LLC | — |
Loss from equity investment in Peak Gold, LLC | — |
Investment balance at September 30, 2016 | $ | — |
Summarized Balance Sheet of Equity Method Investment [Table Text Block] | The following table presents the condensed balance sheet for Peak Gold, LLC as of September 30, 2016 and June 30, 2016:
| September 30, 2016 |  | June 30, 2016
ASSETS |  |  |
Cash and cash equivalents | $ | 789,203 |  |  | $ | 990,698 |
Mineral properties | 1,433,886 |  |  | 1,433,886 |
TOTAL ASSETS | $ | 2,223,089 |  |  | $ | 2,424,584 |
LIABILITIES AND MEMBERS' EQUITY |  |  |
Accounts payable and other liabilities | $ | 2,226,154 |  |  | $ | 1,674,956 |
TOTAL LIABILITIES | 2,226,154 |  |  | 1,674,956 |
MEMBERS' EQUITY | (3,065 | ) |  | 749,628 |
TOTAL LIABILITIES AND MEMBERS' EQUITY | $ | 2,223,089 |  |  | $ | 2,424,584 |

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