DESCRIPTION OF BUSINESS - Restructuring Costs and Reserves (Details)									1 Months Ended			3 Months Ended	35 Months Ended
	May 05, 2020 USD ($)	Dec. 09, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jul. 24, 2019 USD ($)	Oct. 17, 2018 USD ($) shares	Oct. 16, 2017 USD ($) tranche	Apr. 12, 2017 USD ($)	Nov. 02, 2015 USD ($) tranche	Mar. 31, 2020 USD ($)	Nov. 30, 2019 USD ($)	Oct. 31, 2018 USD ($) shares	Mar. 31, 2020 USD ($)	Mar. 31, 2020 USD ($) shares	Sep. 27, 2019 USD ($)
Class of Stock [Line Items]
Net proceeds					$ 1,900,000
Number of units issued during the period | shares					9,151,000
AMER International Group
Class of Stock [Line Items]
Private Placement		$ 4,000,000
Number of tranche investment | tranche								3
Ranchers
Class of Stock [Line Items]
Source from available cash				$ 500,000
Proceeds from private placement used				500,000
First Tranche | AMER International Group
Class of Stock [Line Items]
Private Placement								$ 4,000,000
Second Tranche | AMER International Group
Class of Stock [Line Items]
Private Placement						$ 6,000,000
Number of tranche investment | tranche						3
Third Tranche | AMER International Group
Class of Stock [Line Items]
Private Placement								$ 10,000,000				$ 5,000,000
ATM
Class of Stock [Line Items]
Issue of shares | shares													1,168,300
Net proceeds											$ 1,900,000		$ 500,000
Number of units issued during the period | shares											9,125,000
Number of shares of common stock in each unit issued | shares											1
Number of warrants in each unit issued | shares											1
Number of shares each unit may purchase | shares											1
Period of time the ATM is suspended (in years)											2 years
ATM | Maximum
Class of Stock [Line Items]
Net proceeds	$ 20,000,000						$ 20,000,000
Eureka Moly LLC | Ranchers
Class of Stock [Line Items]
Payment to trust				$ 1,000,000
Eureka Moly LLC | Land and Water Rights
Class of Stock [Line Items]
Amount owed to the company														$ 700,000
Reimbursement of debt			$ 200,000						$ 300,000	$ 200,000
Eureka Moly LLC | Equipment | Minimum
Class of Stock [Line Items]
Sale of equipment									$ 400,000