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Note 1 - Basis of Presentation and General Information (Details) | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
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Note 1 - Basis of Presentation and General Information (Details) [Line Items] |  |  |
Percentage of Voyage and Time Charter Revenues | 10.00% | 10.00% | 10.00%
Pittas Family [Member] |  |  |
Note 1 - Basis of Presentation and General Information (Details) [Line Items] |  |  |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 29.80% |  |

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