SEGMENTED INFORMATION (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disclosure Of Operating Segments
Customer 1	$ 21,810	$ 23,314	$ 24,845
Customer 2	4,861	321	1,062
Customer 3	3,350	8,071
Customer 4	1,246
Customer 5	469
Customer 6	10	519
Customer 7		1,547	7,452
Customer 8		344
Total revenue from mining operations	$ 31,746	$ 34,116	$ 33,359

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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