SEGMENTED INFORMATION (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disclosure Of Operating Segments
Customer 1	$ 23,314	$ 24,845	$ 23,833
Customer 2	1,547	7,452	6,319
Customer 3	344
Customer 4	321	1,062	4,540
Customer 5	519
Customer 6	8,071
Total revenue from mining operations	$ 34,116	$ 33,359	$ 34,692

The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants.

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+ Details