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FINANCIAL INSTRUMENTS (Details Narrative) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Liquidity Risk [Member]    
Statement [Line Items]    
Cash $ 22,341  
Working capital $ 28,903  
Foreign Currency Risk [Member]    
Statement [Line Items]    
Asset and liability exposure, description A 10% change in the interest rate would not result in a material impact on the Company’s operations.  
Impact on net earning (loss) $ 398 $ 589
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 $4 (December 31, 2020 - $2).  
Impact on net earning (loss) $ 4 2
Price Risk [Member] | Long-term investments [Member]    
Statement [Line Items]    
Asset and liability exposure, description a 10% change in metals prices would have an impact on net earnings (loss) of $4 (December 31, 2020 - $2).  
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 $330 (December 31, 2020 - $418).  
Impact on net earning (loss) $ 330 $ 418