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FINANCIAL INSTRUMENTS (Details Narrative)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
integer
Dec. 31, 2019
USD ($)
integer
Statement [Line Items]    
Cash $ 11,713 $ 9,625
Credit Risk [Member]    
Statement [Line Items]    
Concentration of credit risk, counterparties accounted for trade accounts receivable | integer 3 6
Long-term investments [Member]    
Statement [Line Items]    
Total fair value   $ 1,114
Fair value of warrants   398
Warrant received   716
Liquidity Risk [Member]    
Statement [Line Items]    
Cash $ 11,713  
Working capital $ 14,680  
Foreign Currency Risk [Member]    
Statement [Line Items]    
Asset and liability exposure, description A 10% fluctuation in the US/Mexican and Canadian/US exchange rates would impact the Company’s earnings (loss) for the year ended December 31, 2019, by approximately $589 (December 31, 2019 - $465).  
Impact on net earning (loss) $ 589 465
Price Risk [Member]    
Statement [Line Items]    
Asset and liability exposure, description Based on outstanding accounts receivable that were subject to pricing adjustments, a 10% change in metals prices would have an impact on net earnings (loss) of approximately $2 (December 31, 2019 - $70).  
Impact on net earning (loss) $ 2 70
Price Risk [Member] | Long-term investments [Member]    
Statement [Line Items]    
Asset and liability exposure, description A 10% change in market prices would not have a material impact on the Company’s operations.  
Price Risk [Member] | Long-term investments One [Member]    
Statement [Line Items]    
Asset and liability exposure, description A 10% change in market prices would have an impact on net earnings (loss) of approximately $418 (2019 - $467).  
Impact on net earning (loss) $ 418 $ 467