Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

	Net Book Value of Property, Plant and Equipment at June 30, 2017
(thousands of dollars)	Turkey	Texas	New Mexico	Corporate	Total
Uranium plant	$                -	$       8,451	$                -	$               -	$            8,451
Mineral rights and properties	17,968	-	19,102	-	37,070
Other property, plant and equipment	21	1,150	-	119	1,290
Total	$      17,989	$     9,601	$      19,102	$          119	$           46,811
	Net Book Value of Property, Plant and Equipment at December 31, 2016
(thousands of dollars)	Turkey	Texas	New Mexico	Corporate	Total
Uranium plant	$                -	$       8,459	$                -	$               -	$            8,459
Mineral rights and properties	17,968	-	19,102	-	37,070
Other property, plant and equipment	22	1,224	-	141	1,387
Total	$      17,990	$     9,683	$     19,102	$          141	$          46,916