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Inventories (Table) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Inventories [Abstract] |  |
Lubricants | $ 295 | $ 313
Gas cylinders | 79 | 78
Bunkers | 1,171 | 259
Total | $ 1,545 | $ 650

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