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Note 10 - Commitments and Contingencies | 12 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | 10. Commitments and Contingencies Tetlin Lease . The Tetlin Lease had an initial ten year term beginning July 2008 which was extended for an additional ten years to July 15, 2028, and for so long thereafter as the Joint Venture Company initiates and continues to conduct mining operations on the Tetlin Lease . Pursuant to the terms of the Tetlin Lease, the Joint Venture Company is required to spend $350,000 per year until July 15, 2018 in exploration costs. However, the Company's exploration expenditures through the 2011 exploration program have satisfied this requirement because exploration funds spent in any year in excess of $350,000 are credited toward future years’ exploration cost requirements. Additionally, should the Joint Venture Company derive revenues from the properties covered under the Tetlin Lease, the Joint Venture Company is required to pay the Tetlin Tribal Council a production royalty ranging from 2.0% to 5.0%, depending on the type of metal produced and the year of production. As of June 30, 2018, the Company had paid the Tetlin Tribal Council $225,000 in exchange for reducing the production royalty payable to them by 0.75%. These payments lowered the production royalty to a range of 1.25% to 4.25%. On or before July 15, 2020, the Tetlin Tribal Council has the option to increase their production royalty by (i) 0.25% by payment to the Joint Venture Company of $150,000, (ii) 0.50% by payment to the Joint Venture Company of $300,000, or (iii) 0.75% by payment to the Joint Venture Company of $450,000. Until such time as production royalties begin, the Joint Venture Company must pay the Tetlin Tribal Council an advance minimum royalty of $50,000 per year. On July 15, 2012, the advance minimum royalty increased to $75,000 per year, and subsequent years are escalated by an inflation adjustment . Gold Exploration. The Joint Venture Company’s Triple Z, Tok/Tetlin, Eagle, Bush, West Fork, and Noah claims are all located on state of Alaska lands. The annual claim rentals on these projects vary based on the age of the claims, and are due and payable in full by November 30 of each year. Annual claims rentals for the 2017 - 2018 assessment year totaled $155,505. The Joint Venture Company has met the annual labor requirements for the state of Alaska acreage for the next four years, which is the maximum time allowable by Alaska law . Royal Gold Royalties . Pursuant to the Royalty Purchase Agreement, the Joint Venture Company will pay Royal Gold an overriding royalty of 3.0% should the Joint Venture Company derive revenues from the Tetlin Lease and certain other properties and an overriding royalty of 2.0% should the Joint Venture Company derive revenues from any additional properties .

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