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Note 3 - Summary of Significant Accounting Policies (Details Textual) - USD ($)		9 Months Ended	12 Months Ended	15 Months Ended
	Dec. 22, 2017	Mar. 31, 2019	Jun. 30, 2018	Mar. 31, 2019	Apr. 26, 2018	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Expense (Benefit), Total		$ 0	$ 0
Liability for Uncertainty in Income Taxes, Current		0	0	$ 0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%			21.00%
Equity Method Investments
The Joint Venture Company [Member]
Equity Method Investment, Ownership Percentage		60.00%		60.00%	60.00%
Equity Method Investments		$ 0	0	$ 0		$ 0	$ 0	$ 0	$ 0
The Joint Venture Company [Member] | Peak Gold, LLC [Member]
Equity Method Investments		$ 0	$ 0	$ 0

X

- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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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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