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FINANCIAL INSTRUMENTS (Details 1) - USD ($)
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement [Line Items]        
Cash $ 24,765,000 $ 11,713,000 $ 9,625,000 $ 3,252,000
Long-term investments 3,939,000 4,176,000    
Amounts receivable 1,208,000 529,000    
Accounts payable and accrued liabilities 3,260,000 2,068,000    
Due to related parties 163,000 154,000    
MXN [Member]        
Statement [Line Items]        
Cash 3,576,000 36,896,000    
Long-term investments 0 0    
Reclamation bonds 0 0    
Amounts receivable 0 0    
Accounts payable and accrued liabilities (57,604,000) (22,972,000)    
Due to related parties 0 0    
Finance lease obligations (1,000) (1,543,000)    
Net exposure (54,029,000) 12,381,000    
US dollar equivalent (2,363,000) 620,000    
CDN [Member]        
Statement [Line Items]        
Cash 1,450,000 2,831,000    
Long-term investments 4,976,000 5,317,000    
Reclamation bonds 6,000 6,000    
Amounts receivable 33,000 20,000    
Accounts payable and accrued liabilities (211,000) (157,000)    
Due to related parties (206,000) (196,000)    
Finance lease obligations (394,000) (448,000)    
Net exposure 5,654,000 7,373,000    
US dollar equivalent $ (4,054,000) $ 5,791,000