PROPERTY, PLANT AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Net property, plant and equipment	$ 20,481	$ 20,553
Turkey
Net property, plant and equipment	6	8
Texas
Net property, plant and equipment	3,571	3,604
Alabama
Net property, plant and equipment	8,972	8,973
New Mexico
Net property, plant and equipment	7,806	7,806
Corporate
Net property, plant and equipment	126	162
Uranium Plant
Net property, plant and equipment	3,142	3,256
Uranium Plant | Texas
Net property, plant and equipment	3,142	3,256
Mineral Rights and Properties
Net property, plant and equipment	16,778	16,779
Mineral Rights and Properties | Alabama
Net property, plant and equipment	8,972	8,973
Mineral Rights and Properties | New Mexico
Net property, plant and equipment	7,806	7,806
Other Property Plant and Equipment
Net property, plant and equipment	561	518
Other Property Plant and Equipment | Turkey
Net property, plant and equipment	6	8
Other Property Plant and Equipment | Texas
Net property, plant and equipment	429	348
Other Property Plant and Equipment | Corporate
Net property, plant and equipment	$ 126	$ 162