Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2016

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

Schedule of Property, Plant and Equipment

	Net Book Value of Property, Plant and Equipment at September 30, 2016
(thousands of dollars)	Turkey	Texas	New Mexico	Corporate	Total
Uranium plant	$                -	$       8,621	$                -	$               -	$            8,621
Mineral rights and properties	17,968	979	19,102	-	38,049
Other property, plant and equipment	22	1,257	-	144	1,423
Total	$      17,990	$     10,857	$      19,102	$          144	$           48,093
	Net Book Value of Property, Plant and Equipment at December 31, 2015
(thousands of dollars)	Turkey	Texas	New Mexico	Corporate	Total
Uranium plant	$                -	$       8,653	$                -	$               -	$            8,653
Mineral rights and properties	17,968	1,513	19,102	-	38,583
Other property, plant and equipment	22	1,352	-	202	1,576
Total	$      17,990	$     11,518	$     19,102	$          202	$          48,812