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MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2020

MINERAL PROPERTY INTERESTS AND PLANT AND EQUIPMENT

Schedule of property and equipment

​

​	​	​	​	​	​	​
​		December 31, 2020			December 31, 2019
Mineral property interests, cost	​	$	314,719	​	$	339,374
Less: accumulated depletion	​	​	(34,601)	​	​	(28,154)
Mineral property interests, carrying value	​	$	280,118	​	$	311,220
​	​	​	​	​	​	​
Plant and equipment, cost	​	​	​	​	​	​
Land	​	$	8,804	​	$	8,746
Construction in progress	​	​	2,945	​	​	2,961
Plant and equipment	​	​	72,188	​	​	133,014
Subtotal	​	$	83,937	​	$	144,721
Less: accumulated depreciation	​		(34,943)	​	​	(37,150)
Plant and equipment, carrying value	​	$	48,994	​	$	107,571
​	​	​	​	​	​	​
Mineral property interests and plant and equipment, carrying value	​	$	329,112	​	$	418,791

Summary of mineral property interests

​

​	​	​	​	​	​	​	​	​	​	​	​
Name of Property/Complex		State/Province		Country		2020			2019
Fox Complex	​	Ontario	​	Canada	​	$	17,580	​	$	14,627	​
Lexam	​	Ontario	​	Canada	​	​	41,595	​	​	41,595	​
Los Azules Copper Project		San Juan		Argentina	​	​	191,490	​	​	191,490	​
Tonkin Properties		Nevada		United States	​		4,833	​		4,833	​
Gold Bar Project		Nevada		United States	​		14,675	​		48,492	​
Battle Mountain Complex		Nevada		United States	​		785	​		785	​
El Gallo Project		Sinaloa		Mexico	​		3,353	​		3,591	​
Fenix Project Properties		Sinaloa		Mexico	​		5,807	​		5,807	​
Total mineral property interests	​	​	​	​	​	$	280,118	​	$	311,220	​

Summary of the quantitative and qualitative information related to the unobservable inputs used in the calculation of the Company's non-recurring Level 3 fair value measurements

​

​	​	​	​	​	​	​	​	​
​	​	​
​	​	Date of Fair Value Measurement	​	Valuation Technique	​	Unobservable Input	​	Range/ Weighted Average
​	​	​	​	​	​	​	​	​
Gold Bar Mine	​	March 31, 2020	​	Discounted Cash Flow	​	Discount Rate	​	9%
​	​	​	​	​	​	Long Term Gold Price	​	$1,430/oz
​	​	​	​	​	​	United States Inflation Index	​	2%

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Tabular disclosure of mineral properties held by the entity.

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Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique used to measure similar asset in prior period by class of asset or liability on non-recurring basis.

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

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