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FINANCIAL INSTRUMENTS (Details 1)
Dec. 31, 2017
USD ($)
Dec. 31, 2017
CAD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2016
CAD ($)
Dec. 31, 2016
MXN ($)
Jan. 01, 2016
USD ($)
Dec. 31, 2015
USD ($)
Disclosure of risk management strategy related to hedge accounting [line items]                
Cash $ 3,419,532     $ 11,779,718     $ 5,401,109  
Long-term investments 33,773     26,717     27,971  
Reclamation bonds 713,830     108,364     105,130 $ 105,130
Amounts receivable 4,634,997     3,050,012     2,695,315  
Accounts payable and accrued liabilities 3,511,720     3,727,253     3,019,198  
Due to related parties 186,563     199,393     157,386  
Equipment loans 397,817     1,190,734     528,843  
Finance lease obligations 1,232,773     1,376,933     $ 1,665,848  
MXN [Member]                
Disclosure of risk management strategy related to hedge accounting [line items]                
Cash     $ 9,504,034     $ 15,997,014    
Long-term investments            
Reclamation bonds            
Amounts receivable            
Accounts payable and accrued liabilities     (27,482,356)     (21,006,749)    
Due to related parties            
Equipment loans            
Finance lease obligations     (750,795)     (865,526)    
Net exposure     $ (18,729,117)     $ (5,875,261)    
US dollar equivalent (949,465)     (284,363)        
C$ [Member]                
Disclosure of risk management strategy related to hedge accounting [line items]                
Cash   $ 320,751     $ 270,562      
Long-term investments   42,368     35,873      
Reclamation bonds   895,500     145,500      
Amounts receivable   131,961     52,779      
Accounts payable and accrued liabilities   (603,463)     (1,249,038)      
Due to related parties   (224,664)     (267,726)      
Equipment loans   (781,675)     (1,423,042)      
Finance lease obligations   (1,002,470)     (1,465,333)      
Net exposure   $ (1,221,692)     $ (3,900,425)      
US dollar equivalent $ (973,847)     $ (2,904,910)