Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Net Book Value of Property, Plant and Equipment at June 30, 2018
(thousands of dollars)	Turkey		Texas		Alabama		New Mexico		Corporate		Total
Uranium plant	$	-	$	8,303	$	-	$	-	$	-	$	8,303
Mineral rights and properties		-		-		8,972		7,806		-		16,778
Other property, plant and equipment		8		1,069		1		-		187		1,265
Total	$	8	$	9,372	$	8,973	$	7,806	$	187	$	26,346

	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