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IMPAIRMENTS	12 Months Ended
	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Impairments	IMPAIRMENTS Impairment of plant and equipment, mineral properties and mineral properties held for sale The Company conducts a review of potential triggering events for all its mineral properties on a quarterly basis. When events or changes in circumstances indicate that the related carrying amounts may not be recoverable, the Company carries out a review and evaluation of its long-lived assets in accordance with its accounting policy. No impairment of plant and equipment, mineral properties and mineral properties held for sale recorded in the year ended December 31, 2018. In the year ended December 31, 2017 the Company entered into an agreement to sell certain non-core uranium properties. The Company re-classified these properties as held for sale and recorded an impairment of $3.80 million. The impaired properties are in the Reno Creek area. The impairment was based on the estimate of its fair value determined using the market approach less estimated selling costs.

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- Definition

The entire disclosure for the details of the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Disclosure may also include a description of the impaired asset and facts and circumstances leading to the impairment, amount of the impairment loss and where the loss is located in the income statement, method(s) for determining fair value, and the segment in which the impaired asset is reported.

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