XML 35 R22.htm IDEA: XBRL DOCUMENT v3.8.0.1
Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2017
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment

    Net Book Value of Property, Plant and Equipment at September 30, 2017  
(thousands of dollars)   Turkey     Texas     New Mexico     Corporate     Total  
Uranium plant   $ -     $ 8,447     $ -     $ -     $ 8,447  
Mineral rights and properties     17,968       -       19,102       -       37,071  
Other property, plant and equipment     20       1,132       -       214       1,366  
     Total   $ 17,988     $ 9,579     $ 19,102     $ 214     $ 46,883  
                                         
      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