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DESCRIPTION OF THE BUSINESS: (Details)
 12 Months Ended
Dec. 31, 2021
$ / lb
$ / item
Percentage of ownership interest held by the parent company 88.90%
Percentage of operating over production capacity during COVID-19 time 95.00%
Copper price assumption | $ / lb 2.00
Molybdenum price assumption | $ / item 4.00
Minimum  
Projected discounted cash flows in excess of the carrying amounts of long lived assets by margins 1.8
Maximum  
Projected discounted cash flows in excess of the carrying amounts of long lived assets by margins 5.7