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Mineral Properties (Tables)

12 Months Ended

Dec. 31, 2020

Mineral Properties (Tables)

Mineral Property

		Lost Creek				Pathfinder				Other U.S.
Mineral Properties		Property				Mines				Properties				Total
December 31, 2017			11,810				19,701				13,166				44,677
Acquisition costs			-				-				31				31
Change in estimated reclamation costs			2,577				263				-				2,840
Depletion and amortization			(1,743	)			-				-				(1,743	)
December 31, 2018			12,644				19,964				13,197				45,805
Acquisition costs			-				-				8				8
Change in estimated reclamation costs			125				(114	)			-				11
Property write-offs			16				-				(27	)			(11	)
Depletion and amortization			(2,601	)			-				-				(2,601	)
December 31, 2019			10,184				19,850				13,178				43,212
Change in estimated reclamation costs			(1,463	)			(120	)			-				1,583	)
Depletion and amortization			(2,445	)			-				-				(2,445	)
December 31, 2020			6,276				19,730				13,178				39,184

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