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FINANCIAL INSTRUMENTS (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Statement [Line Items]    
Accounts payable and accrued liabilities $ 2,068 $ 4,907
Amounts due to related parties 154 156
Equipment loans 0 90
Total 486 $ 1,134
Financial Instruments [Member]    
Statement [Line Items]    
Accounts payable and accrued liabilities 2,068  
Amounts due to related parties 154  
Minimum rental and lease payments 26  
Term facility 2,552  
Equipment loans 72  
Finance lease obligations 514  
Total 5,386  
Later Than One Year And Not Later Than Five Years [Member]    
Statement [Line Items]    
Accounts payable and accrued liabilities 0  
Amounts due to related parties 0  
Minimum rental and lease payments 16  
Term facility 0  
Equipment loans 0  
Finance lease obligations 301  
Total 317  
Later Than Five Years [Member]    
Statement [Line Items]    
Accounts payable and accrued liabilities 0  
Amounts due to related parties 0  
Minimum rental and lease payments 3  
Term facility 0  
Equipment loans 0  
Finance lease obligations 0  
Total 3  
Less Than One Year [Member]    
Statement [Line Items]    
Accounts payable and accrued liabilities 2,068  
Amounts due to related parties 154  
Minimum rental and lease payments 7  
Term facility 2,552  
Equipment loans 72  
Finance lease obligations 213  
Total $ 5,066