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EXPLORATION AND EVALUATION ASSETS (Details) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Beginning balance $ 30,791,736 $ 29,896,658
Mine and camp costs 4,300,669 6,211,699
Provision for reclamation 3,761,597 2,656,790
Water treatment and tailing storage facility costs 223,837 1,249,064
Effect of movements in exchange rates 2,158,746 704,920
Depreciation of plant and equipment 715,796 671,294
Interest and financing costs 377,350 464,601
Drilling and exploration 766,349 364,553
Geological and related services 264,584 249,582
Acquisition costs   156,845
Assessments and taxes 179,416 101,660
Assays   1,006
Transfers   (7,011,990)
Sale of concentrate   (4,587,005)
Mineral exploration tax credit (202,210) (337,941)
Ending balance 43,337,870 30,791,736
Durango, Mexico [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Beginning balance 7,978,841 15,241,740
Mine and camp costs 3,379,702
Provision for reclamation
Water treatment and tailing storage facility costs
Effect of movements in exchange rates 554,843 254,153
Depreciation of plant and equipment 203,350
Interest and financing costs 101,383
Drilling and exploration 418,123 305,065
Geological and related services 11,721
Acquisition costs  
Assessments and taxes 82,298 80,722
Assays  
Transfers   (7,011,990)
Sale of concentrate   (4,587,005)
Mineral exploration tax credit
Ending balance 9,034,105 7,978,841
British Columbia, Canada [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Beginning balance 22,812,894 14,654,917
Mine and camp costs 4,300,669 2,831,997
Provision for reclamation 3,761,597 2,656,790
Water treatment and tailing storage facility costs 223,837 1,249,064
Effect of movements in exchange rates 1,603,903 450,767
Depreciation of plant and equipment 715,796 467,944
Interest and financing costs 377,350 363,218
Drilling and exploration 348,226 59,488
Geological and related services 264,584 237,861
Acquisition costs   156,845
Assessments and taxes 97,118 20,938
Assays   1,006
Transfers  
Sale of concentrate  
Mineral exploration tax credit (202,210) (337,941)
Ending balance 34,303,764 22,812,894
Yukon, Canada [Member]    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Beginning balance 1 1
Mine and camp costs
Provision for reclamation
Water treatment and tailing storage facility costs
Effect of movements in exchange rates
Depreciation of plant and equipment
Interest and financing costs
Drilling and exploration
Geological and related services
Acquisition costs  
Assessments and taxes
Assays  
Transfers  
Sale of concentrate  
Mineral exploration tax credit
Ending balance $ 1 $ 1