MINERAL PROPERTIES IN THE UNITED STATES (Details)	12 Months Ended
	Dec. 31, 2019 a Claim
Mineral Industries Disclosures [Abstract]
Number of patented mining claims in which PEVM has undivided interest	48
Number of unpatented mining claims in which PEVM has undivided interest	5
Area under patented and unpatented mining claims | a	1,500
Period when the property is unused	35 years