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SHAREHOLDERS' EQUITY (Details)
$ / shares in Units, $ in Thousands
 9 Months Ended
Jul. 31, 2015
$ / shares
Jun. 18, 2015
$ / shares
Sep. 30, 2015
USD ($)
item
$ / shares
shares
Sep. 30, 2014
USD ($)
shares
Dec. 31, 2014
shares
Exchangeable shares converted into common stock     2,200,000 2,600,000  
Exchangeable, shares outstanding     26,300,000   28,500,000
Common stock issued     274,254   271,579
Proceed from exercised stock options | $       $ 1,382  
Number of mining contractors with which the entity has entered into an agreement | item     1    
Fair Value of common stock at issuance | $     $ 443    
Common Stock          
Shares of common stock issued upon exercise of stock options       697,000  
Shares issued for settlement of accounts payable (in shares)     430,295    
Annual return of capital declared (in dollars per share) | $ / shares   $ 0.01      
First semi-annual return of capital payable (in dollars per share) | $ / shares $ 0.005        
Fair Value of common stock at issuance | $     $ 443    
Common Stock | Equity Incentive Plan [Member]          
Shares of common stock issued upon exercise of stock options     0 697,300  
Weighted average exercise price of stock options (in dollars per share) | $ / shares     $ 1.98