The equity interest of other holders in equity method investment.

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The number of shares of an equity method investment owned.

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Represents the amount of monthly expense for fees under a management services agreement.

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- Definition

The percent of net smelter returns royalty interest.

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No definition available.

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The percent of net smelter returns silver royalty.

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Represents the overriding royalty interest the company would be required to pay if any of the properties are placed into commercial production.

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No definition available.

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The percentage of the issued and outstanding shares of common stock.

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No definition available.

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The percentage of ownership interest acquired by a related party.

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No definition available.

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Percentage of fee paid to agent in connection with private placement.

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No definition available.

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- Definition

The net cash inflow from the additional capital contribution to the entity.

+ References

No definition available.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement, net of issuance costs.

+ References

No definition available.

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- Definition

The amount of prepayments for reimbursement from the sale of an equity method investment.

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No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the additional capital contribution to the entity.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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Amount of transactions with related party during the financial reporting period.

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Per share or per unit amount of equity securities issued.

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No definition available.

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Number of new stock issued during the period.

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Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Note 12 - Related Party Transactions (Details Textual) - USD ($)						12 Months Ended
	Jun. 18, 2021	Sep. 30, 2020	Sep. 29, 2020	Sep. 23, 2020	Nov. 20, 2019	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020	Apr. 16, 2018
Proceeds from Issuance of Common Stock, Net						$ 14,111,410
Contango Minerals [Member] \| Contango Minerals Royalty Agreement [Member]
Overriding Royalty Interest			2.00%
Contango Minerals [Member] \| Contango Minerals Royalty Agreement [Member] \| ALASKA
Overriding Royalty Interest			3.00%
Net Smelter Returns Royalty Interest, Percent			1.00%
Contango Minerals [Member] \| Separation Agreement [Member]
Net Smelter Returns Royalty Interest, Percent			1.00%
The Joint Venture Company [Member] \| Separation Agreement [Member]
Net Smelter Returns Silver Royalty, Percent			28.00%
Royal Gold [Member]
Percentage of Issued and Outstanding Shares of Common Stock		0.00%	11.90%
The Joint Venture Company [Member]
Equity Method Investment, Ownership Percentage		30.00%	30.00%			30.00%		30.00%
The Joint Venture Company [Member] \| KG Mining [Member]
Sale of Equity Method Investment, Prepayment of Reimbursement		$ 1,200,000
The Joint Venture Company [Member] \| Royal Gold [Member]
Equity Method Investment, Ownership Percentage			40.00%
Royal Alaska LLC [Member] \| KG Mining [Member]
Equity Method Investment, Ownership, Shares (in shares)		809,744
Private Placement [Member]
Stock Issued During Period, Shares, New Issues (in shares)	523,809			247,172
Shares Issued, Price Per Share (in dollars per share)	$ 21			$ 13.25
Proceeds from Issuance of Common Stock	$ 11,000,000
Proceeds from Issuance of Common Stock, Net	$ 10,900,000
Stock Issued During Period, Shares, Treasury Stock Reissued (in shares)				32,874
Proceeds from Issuance of Private Placement				$ 3,300,000
Proceeds from Issuance of Private Placement, Net of Issuance Costs				3,200,000
Payments of Stock Issuance Costs				$ 50,000
Private Placement [Member] \| Petrie Partners Securities, LLC [Member]
Private Placement Fee, Percentage				3.25%
Payments of Stock Issuance Costs				$ 50,000
JEX [Member]
Management Services Agreement, Fee Per Month					$ 10,000
JEX [Member] \| Expense for Office Space and Equipment [Member]
Management Services Agreement, Fee Per Month					$ 6,900
Related Party Transaction, Amounts of Transaction						$ 305,000	$ 504,000
Chief Executive Officer [Member]
Stock Issued During Period, Shares, New Issues (in shares)				75,472
Stock Issued During Period, Value, New Issues				$ 1,000,000
Percentage of Ownership Interest Acquired by Related Party				2.20%
Chief Executive Officer [Member] \| Private Placement [Member]
Stock Issued During Period, Shares, New Issues (in shares)	47,619
Stock Issued During Period, Value, New Issues	$ 1,000,000
Kinross [Member] \| The Joint Venture Company [Member]
Equity Method Investment, Ownership Percentage by Other Owner		70.00%
Royal Gold [Member] \| Common Stock [Member]
Shares Issued, Price Per Share (in dollars per share)									$ 26
Percentage of Ownership Interest Acquired by Related Party									13.60%