Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment Assets Held-for-sale Disclosure [Abstract]

Schedule of Property, Plant and Equipment

	Net Property, Plant and Equipment at December 31, 2015
(thousands of dollars)	Turkey		Texas		New Mexico		Corporate		Net book value
Uranium plant	$	-	$	8,653	$	-	$	-	$	8,653
Mineral rights and properties		17,968		1,513		16,996		-		36,477
Other property, plant and equipment		22		1,352		-		202		1,576
Total net book value	$	17,990	$	11,518	$	16,996	$	202	$	46,706

	Net Property, Plant and Equipment at December 31, 2014
(thousands of dollars)	Turkey		Texas		New Mexico		Corporate		Net book value
Uranium plant	$	-	$	8,921	$	-	$	-	$	8,921
Mineral rights and properties		-		2,313		19,750		-		22,063
Other property, plant and equipment		-		1,490		-		256		1,746
Total net book value	$	-	$	12,724	$	19,750	$	256	$	32,730

Summary of impairment expense by project

The Company recorded the following impairment charges for 2015 and 2014 related to its uranium projects and processing facilities:

	For the years ended December 31,
	2015		2014
Kingsville Dome project	$	160	$	160
Alta Mesa Este project		800		-
Total Impairment	$	960	$	160

Schedule of Mineral Property Expenditures

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

	For the years ended December 31,
	2015		2014
	(thousands of dollars)
Temrezli project, Turkey	$	407	$	-
Total Turkey projects		407		-
Kingsville Dome project, Texas		812		862
Rosita project, Texas		711		817
Vasquez project, Texas		510		518
Butler Ranch project, Texas		443		32
Other projects, Texas		553		12
Total Texas projects		3,029		2,241
Crownpoint project, New Mexico		5		5
Churchrock project, New Mexico		21		109
Cebolleta project, New Mexico		537		571
Juan Tafoya project, New Mexico		384		413
Other projects, New Mexico		87		163
Total New Mexico projects		1,034		1,261
Total expense for the period	$	4,470	$	3,502