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Transactions with Related Parties - Compensation to the Company's Executive Director (Table) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of transactions between related parties [line items]      
Share-based payments (note 13) $ 40 $ 50 $ 60
Executive Director      
Disclosure of transactions between related parties [line items]      
Short-term employee benefits 229 82 85
Share-based payments (note 13) 0 15 0
Total $ 229 $ 97 $ 85