MINERAL PROPERTIES IN THE UNITED STATES	12 Months Ended
MINERAL PROPERTIES IN THE UNITED STATES	Dec. 31, 2018
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, and a 300 ton-per-day mill located on the aforementioned properties in the PEVM Mining District in southeast Nevada. In August 2001 seventy-five unpatented claims were abandoned since they were deemed to have no future value to PEVM. The properties held by PEVM have not been commercially operated for approximately 35 years.