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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)
12 Months Ended
Dec. 31, 2019
Building and Building Improvements [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life 40 years
Building and Building Improvements [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life 5 years
Mining equipment [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life 7 years
Mining equipment [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life 2 years
Office and shop furniture and equipment [Member] | Maximum [Member]  
Property, Plant and Equipment, Useful Life 7 years
Office and shop furniture and equipment [Member] | Minimum [Member]  
Property, Plant and Equipment, Useful Life 3 years
Vehicles [Member]  
Property, Plant and Equipment, Useful Life 5 years