Note 4 - Investment in the Joint Venture Company - Roll-forward of Investment in the Joint Venture Company (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2015 |
|
Investment balance | |||||||||
Investment in Peak Gold, LLC | 2,700,000 | $ 2,790,000 | |||||||
Loss from equity investment in Peak Gold, LLC | $ (1,800,000) | $ (840,000) | (2,700,000) | (2,790,000) | |||||
Investment balance | |||||||||
The Joint Venture Company [Member] | |||||||||
Investment balance | 0 | $ 0 | 0 | $ 0 | $ 0 | $ 0 | $ 0 | ||
Investment in Peak Gold, LLC | 2,700,000 | 4,140,000 | 2,580,000 | 0 | 1,433,886 | ||||
Loss from equity investment in Peak Gold, LLC | (2,700,000) | (4,140,000) | (2,580,000) | (1,433,886) | |||||
Investment balance | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 |