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Note 4 - Investment in the Joint Venture Company (Tables) | 9 Months Ended
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Mar. 31, 2019
Notes Tables |
Roll-forward of Equity Method Investment [Table Text Block] |
|  | 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 June 30, 2017 |  | $ | — |
Investment in Peak Gold, LLC |  |  | 2,580,000 |
Loss from equity investment in Peak Gold, LLC |  |  | (2,580,000 | )
Investment balance as June 30, 2018 |  | $ | — |
Investment in Peak Gold, LLC |  |  | 3,210,000 |
Loss from equity investment in Peak Gold, LLC |  |  | (3,210,000 | )
Investment balance at March 31, 2019 |  | $ | — |
The Joint Venture Company [Member] |
Notes Tables |
Summarized Balance Sheet of Equity Method Investment [Table Text Block] |
|  | March 31, 2019 |  |  | June 30, 2018 |
ASSETS |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 134,158 |  |  | $ | 2,628,195 |
Mineral properties |  |  | 1,433,886 |  |  |  | 1,433,886 |
TOTAL ASSETS |  | $ | 1,568,044 |  |  | $ | 4,062,081 |
LIABILITIES AND MEMBERS’ EQUITY |  |  |  |  |  |  |  |
Accounts payable and other liabilities |  | $ | 375,773 |  |  | $ | 2,403,257 |
TOTAL LIABILITIES |  |  | 375,773 |  |  |  | 2,403,257 |
MEMBERS’ EQUITY |  |  | 1,192,271 |  |  |  | 1,658,824 |
TOTAL LIABILITIES AND MEMBERS’ EQUITY |  | $ | 1,568,044 |  |  | $ | 4,062,081 |
Summarized Income Statement of Equity Method Investment [Table Text Block] |
|  | Three Months Ended |  |  | Three Months Ended |  |  |  | Nine Months Ended |  |  |  | Nine Months Ended |  |  | Period from Inception January 8, 2015 to |
|  | March 31, 2019 |  |  | March 31, 2018 |  |  |  | March 31, 2019 |  |  |  | March 31, 2018 |  |  | March 31, 2019 |
EXPENSES: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exploration expense |  | $ | 215,930 |  |  | $ | 356,092 |  |  | $ | 4,403,170 |  |  | $ | 4,450,614 |  |  | $ | 32,956,779 |
General and administrative |  |  | 130,625 |  |  |  | 207,352 |  |  |  | 1,413,383 |  |  |  | 902,178 |  |  |  | 6,948,726 |
Total expenses |  |  | 346,555 |  |  |  | 563,444 |  |  |  | 5,816,553 |  |  |  | 5,352,792 |  |  |  | 39,905,505 |
NET LOSS |  | $ | 346,555 |  |  | $ | 563,444 |  |  | $ | 5,816,553 |  |  | $ | 5,352,792 |  |  | $ | 39,905,505 |

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