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DISCONTINUED OPERATIONS (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Feb. 29, 2016
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Aggregate annual expenses   $ 4,000        
Market price (in dollars per share)   $ 0.35        
Impairment charge   $ 22,620      
Preferred shares authorized   100,000   100,000    
Common stock shares   28,233,068   28,199,735    
Series A Convertible Preferred Stock [Member]            
Aggregate annual expenses $ 3,000          
Freeport-McMoRan Inc. [Member] | Series A Convertible Preferred Stock Purchase Agreement [Member]            
Adjusted liquidation preference value   $ 2,000        
Convertible preferred stock       80    
Common stock shares       4,000,000    
Common Stock issued upon conversion   4,760,095        
Cash consideration paid   $ 1,999        
Freeport-McMoRan Inc. [Member] | Series A Convertible Preferred Stock Purchase Agreement [Member] | Series A Convertible Preferred Stock [Member]            
Shares issued       50,000    
Decription of transfer property  

(i) MEM accepting the transfer of the Property and replacing the Company as the permittee and operator of the WTP, and (ii) the payment of approximately $1 to the Company. The Series A Purchase Agreement contains customary representations and warranties on the part of the Company. As contemplated by the Acquisition Agreement and the Series A Purchase Agreement and as approved by the Company’s Board of Directors, the Company filed with the Secretary of State of the State of Wyoming Articles of Amendment containing a Certificate of Designations with respect to the Preferred Stock (the “Certificate of Designations”).

        
Preferred shares authorized       50,000    
Percentage of dividend rate   12.25%        
Adjusted liquidation preference per share       $ 40    
Adjusted liquidation preference value       $ 2    
Freeport-McMoRan Inc. [Member] | Investor Rights Agreement [Member]            
Percentage of outstanding shares acquire       16.86%    
Mt. Emmons Molybdenum Mining Properties [Member] | Freeport-McMoRan Inc. [Member]            
Impairment charge   $ 22,620        
Water Treatment Plant [Member] | Mt. Emmons Molybdenum Mining Properties [Member]            
Aggregate annual expenses       $ 3,000 $ 3,000 $ 3,000
Water Treatment Plant [Member] | Mt. Emmons Molybdenum Mining Properties [Member] | United Kingdom, Pounds [Member]            
Market price (in dollars per share)       $ 5 $ 11 $ 11