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Accrued liabilities and other payables (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accrued liabilities and other payables [Abstract]    
Accrued interest $ 307 $ 114
Accrued audit fees 56 57
Other accruals 1,435 999
Insurance deductibles 132 102
Other payables 41 47
Total $ 1,971 $ 1,319