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RELATED PARTY TRANSACTIONS (Details) - USD ($)	1 Months Ended	3 Months Ended
	Jun. 30, 2016	Mar. 31, 2020	Mar. 31, 2019
Related Party Transaction [Line Items]
Royalty percentage of minerals recovered sold under minimum price threshold	3.125%
Mineral price per pound, low range	$ 65.00
Royalty percentage of minerals recovered sold between price thresholds	6.25%
Mineral price per pound, upper range	$ 95.00
Royalty percentage of minerals recovered sold above maximum price threshold	7.50%
Director
Related Party Transaction [Line Items]
Equity method, ownership percentage		81.00%
Proceeds from contributed capital		$ 133,000	$ 0
Leoncito Project, L.L.C. | Director
Related Party Transaction [Line Items]
Testing permit and lease option agreement, accrued liability		$ 140,000
United Nuclear | Director
Related Party Transaction [Line Items]
Equity method, ownership percentage		19.00%

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Royalty Percentage of Minerals Recovered, Sold Under Minimum Price Threshold

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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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
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