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Share Based Payment (Table) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock issued during the year (value) - Share based compensation $ 50 $ 30 $ 50
Number of common shares      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock issued during the year (shares) - Share based compensation 8,797 2,094 4,790
Number of common shares | Non-executive directors payment      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock issued during the year (shares) - Share based compensation 8,797 [1] 2,094 [2] 4,790
Share Premium      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock issued during the year (value) - Share based compensation $ 50 $ 30 $ 50
Share Premium | Non-executive directors payment      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Stock issued during the year (value) - Share based compensation $ 50 [1] $ 30 [2] $ 50
[1] These amounts relate to the shares issued in 2018, not to the shares approved for issuance for the year.
[2] These amounts relate to the shares issued in 2017, not to the shares approved for issuance for the year.