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Note 1 - Basis of Presentation and General Information (Details) - Management Fees Paid to Related Parties and Management Fees Paid to Third Parties (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Related Party Transaction [Line Items]    
Management Fees - Related Parties $ 33 $ 158
Central Mare [Member]
   
Related Party Transaction [Line Items]    
Management Fees - Related Parties $ 33 $ 158