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25. CAPITAL MANAGEMENT AND FINANCIAL RISK (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
 [1]
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Accounts payable and accrued liabilities $ 4,588 $ 4,141
Debt obligations 0 $ 276
Within 1 Year    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Accounts payable and accrued liabilities 4,588  
Maturities of financial liabilities 4,588  
1 to 5 Years    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Accounts payable and accrued liabilities 0  
Maturities of financial liabilities $ 0  
[1] Category E=Financial liabilities at amortized cost