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FINANCIAL INSTRUMENTS (Details Narrative) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Statement [Line Items]      
Cash $ 168,000 $ 24,765,000 $ 11,713,000
Liquidity Risk [Member]      
Statement [Line Items]      
Cash 11,686,000    
Working Capital $ 14,528,000    
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 $84 (December 31, 2021 - $26).    
Impact On Net Earning (loss) $ 84,000 26,000  
Price Risk [Member] | Long-term investments [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 $333 (December 31, 2021 - $330).    
Impact On Net Earning (loss) $ 333,000 330,000  
Foreign Currency Risk [Member]      
Statement [Line Items]      
Asset And Liability Exposure, Description A 10% change in the interest rate would not a result in a material impact on the Company’s operations.    
Impact On Net Earning (loss) $ 250,000 $ 143,000