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PLANT AND EQUIPMENT AND MINERAL PROPERTIES (Tables)
9 Months Ended
Sep. 30, 2020
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
The following is a summary of property, plant and equipment:
September 30, 2020December 31, 2019
CostAccumulated
Depreciation
Net Book ValueCostAccumulated
Depreciation
Net Book
Value
Property, plant and equipment
Nichols Ranch$29,210 $(15,641)$13,569 $29,210 $(14,115)$15,095 
Alta Mesa13,626 (3,861)9,765 13,626 (3,179)10,447 
Equipment and other13,415 (12,450)965 12,900 (12,239)661 
Property, plant and equipment total$56,251 $(31,952)$24,299 $55,736 $(29,533)$26,203 
Schedule of Summary of Mineral Properties
The following is a summary of mineral properties:
 September 30, 2020December 31, 2019
Mineral properties
Uranerz ISR properties $25,974 $25,974 
Sheep Mountain34,183 34,183 
Roca Honda 22,095 22,095 
Other 1,287 1,287 
Mineral properties total$83,539 $83,539