MINERAL PROPERTY EXPENDITURES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Mineral property expenses	$ 851	$ 955	$ 2,309	$ 2,706
Temrezli Project, Turkey
Mineral property expenses		11		107
Total Turkey Projects
Mineral property expenses		11		107
Kingsville Dome Project, Texas
Mineral property expenses	203	223	592	646
Rosita Project, Texas
Mineral property expenses	237	259	454	614
Vasquez Project, Texas
Mineral property expenses	85	42	397	373
Other Projects, Texas
Mineral property expenses	5	14	3	14
Total Texas Projects
Mineral property expenses	530	538	1,440	1,647
Cebolleta Project, New Mexico
Mineral property expenses			440	389
Juan Tafoya Project, New Mexico
Mineral property expenses	40	39	49	48
Other Projects, New Mexico
Mineral property expenses	13	12	13	12
Total New Mexico Projects
Mineral property expenses	53	51	502	449
Columbus Basin Project, Nevada
Mineral property expenses	126	126	127	249
Railroad Valley Project, Nevada
Mineral property expenses		79		95
Total Nevada Projects
Mineral property expenses	126	205	127	344
Sal Rica Project, Utah
Mineral property expenses	111	112	112	112
Total Utah Projects
Mineral property expenses	111	112	112	112
Coosa Project, Alabama
Mineral property expenses	31	38	128	47
Total Alabama Projects
Mineral property expenses	$ 31	$ 38	$ 128	$ 47