MINERAL PROPERTIES IN THE UNITED STATES	12 Months Ended
MINERAL PROPERTIES IN THE UNITED STATES	Dec. 31, 2019
Mineral Industries Disclosures [Abstract]
MINERAL PROPERTIES IN THE UNITED STATES	MINERAL PROPERTIES IN THE UNITED STATES The principal assets of PEVM are an undivided interest in 48 patented and 5 unpatented mining claims totaling approximately 1,500 acres in southeast Nevada. The properties held by PEVM have not been commercially operated for approximately 35 years. In November 2019, PEVM entered into a sales contract which, upon completion of due diligence, may lead to liquidation of substantially all of its remaining assets. Upon closing of the sale, PEVM will be dissolved. Any proceeds from the sale will primarily be used to repay outstanding indebtedness of PEVM owed to the Company.