Property, Plant and Equipment (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2019

Dec. 31, 2018

PROPERTY, PLANT AND EQUIPMENT

Schedule of Property, Plant and Equipment

	Net Book Value of Property, Plant and Equipment at March 31, 2019
(thousands of dollars)	Turkey		Texas		Alabama		New Mexico		Corporate		Total
Uranium plant	$	—	$	3,143	$	—	$	—	$	—	$	3,143
Mineral rights and properties		—		—		8,972		7,806		—		16,778
Other property, plant and equipment		7		451		—		—		150		608
Total	$	7	$	3,594	$	8,972	$	7,806	$	150	$	20,529

	Net Book Value of Property, Plant and Equipment at December 31, 2018
(thousands of dollars)	Turkey		Texas		Alabama		New Mexico		Corporate		Total
Uranium plant	$	—	$	3,256	$	—	$	—	$	—	$	3,256
Mineral rights and properties		—		—		8,973		7,806		—		16,779
Other property, plant and equipment		8		348		—		—		162		518
Total	$	8	$	3,604	$	8,973	$	7,806	$	162	$	20,553

	Net Book Value of Property, Plant and Equipment at December 31, 2018
(thousands of dollars)	Turkey		Texas		Alabama		New Mexico		Corporate		Total
Uranium plant	$	-	$	3,256	$	-	$	-	$	-	$	3,256
Mineral rights and properties		-		-		8,973		7,806		-		16,779
Other property, plant and equipment		8		348		-		-		162		518
Total	$	8	$	3,604	$	8,973	$	7,806	$	162	$	20,553
	Net Book Value of Property, Plant and Equipment at December 31, 2017
(thousands of dollars)	Turkey		Texas		Alabama		New Mexico		Corporate		Total
Uranium plant	$	-	$	8,304	$	-	$	-	$	-	$	8,304
Mineral rights and properties		17,968		-		-		7,806		-		25,774
Other property, plant and equipment		11		1,109		-		-		211		1,331
Total	$	17,979	$	9,413	$	-	$	7,806	$	211	$	35,409

(Note: Acreage amounts are unaudited.)

Summary of Impairment Expense by Project

The Company recorded the following impairment charges for 2018 and 2017 related to its uranium projects and processing facilities:

	For the years ended December 31,
	2018		2017
	(thousands of dollars)
Kingsville Dome project	$	2,978	$	140
Rosita project		2,545		-
Vasquez project		221		-
Temrezli project		17,968		-
Cebolleta/Juan Tafoya project		-		11,296
Total Impairment	$	23,712	$	11,436

Schedule of Mineral Property Expenses

        Mineral property expenditures by geographical location for the three months ended March 31, 2019 and 2018 are as follows:

	For the Three Months Ended Mar 31,
	2019		2018
	(thousands of dollars)
Temrezli project, Turkey	$	—	$	79
Total Turkey projects		—		79
Kingsville Dome project, Texas		244		251
Rosita project, Texas		117		197
Vasquez project, Texas		186		235
Other projects, Texas		—		6
Total Texas projects		547		689
Cebolleta project, New Mexico		—		—
Juan Tafoya project, New Mexico		6		6
Total New Mexico projects		6		6
Columbus Basin project, Nevada		—		2
Railroad Valley project, Nevada		—		4
Total Nevada projects		—		6
Sal Rica project, Utah		1		2
Total Utah projects		1		2
Coosa project, Alabama		80		—
Total Alabama Projects		80		—
Total expense for the period	$	634		782

The Company spent the following amounts for each of its material properties:

	For the year ended December 31,
	2018		2017
	(thousands of dollars)
Temrezli project, Turkey	$	117	$	261
Total Turkey projects		117		261
Kingsville Dome project, Texas		800		810
Rosita project, Texas		738		590
Vasquez project, Texas		631		572
Other projects, Texas		20		71
Total Texas projects		2,189		2,043
Cebolleta project, New Mexico		389		538
Juan Tafoya project, New Mexico		223		542
Total New Mexico projects		612		1,080
Columbus Basin project, Nevada		249		866
Railroad Valley, Nevada		90		241
Total Nevada projects		339		1,107
Sal Rica project, Utah		141		93
Total Utah projects		141		93
Coosa project, Alabama		140		-
Total Alabama projects		140		-
Total expense for the period	$	3,538	$	4,584