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LOANS AND BORROWINGS - Narrative (Details)
CAD / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Aug. 04, 2016
CAD / shares
Dec. 03, 2013
Jul. 24, 2012
CAD
shares
Sep. 30, 2016
USD ($)
Sep. 30, 2015
USD ($)
Aug. 03, 2016
CAD / shares
Feb. 13, 2016
USD ($)
Feb. 28, 2015
USD ($)
Debt Instrument [Line Items]                
Public offering of floating-rate convertible unsecured subordinated debentures (in shares) | shares     22          
Price per debenture issuance | CAD     CAD 1,000          
Proceeds from issuance of debt | CAD     CAD 21,550,000          
Conversion price per share | CAD / shares CAD 4.15         CAD 15.00    
Price of aggregate principal amount redeemed 101.00%              
Debentures held by the debentureholders 20.00%              
Principal amount purchased plus accrued and unpaid interest 100.00%              
Stated interest rate   5.75%           7.00%
Consecutive trading days     20 days 20 days        
Average trading price is not less than percent of the conversion price       125.00%        
Debt (in CAD) | CAD     CAD 1,000          
Volume-weighted average trading price of the common shares     95.00%          
Principal amount of debenture classified as current liability 20.00%              
Loss on revaluation of convertible debentures       $ 670 $ 870      
Notes and loans payable       14,860       $ 450
Ownership percentage               50.00%
Current notes payable       $ 3,180        
Repayable on February 13, 2016                
Debt Instrument [Line Items]                
Notes and loans payable             $ 50  
Repayable on Date in which Ore from the Wate Project is Processed                
Debt Instrument [Line Items]                
Notes and loans payable               $ 450
Minimum                
Debt Instrument [Line Items]                
Stated interest rate     8.50%          
Obligation to repay debenture     40 days          
Maximum                
Debt Instrument [Line Items]                
Stated interest rate     13.50%          
Obligation to repay debenture     60 days          
Convertible Debentures | Convertible Debt                
Debt Instrument [Line Items]                
Number of days notice to redeem debentures 30 days              
Wyoming Industrial Development Revenue Bond Program Loan | Loans Payable                
Debt Instrument [Line Items]                
Term of debt   7 years            
Amortization period   6 years