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Note 1 - Basis of Presentation and General Information (Details) (USD $) | 1 Months Ended | 0 Months Ended | 1 Months Ended | 3 Months Ended | 11 Months Ended | 12 Months Ended |  |  |  | 0 Months Ended | 1 Months Ended |  |  | 12 Months Ended |  | 3 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 21, 2014 | Oct. 16, 2013 | Jun. 24, 2011 | Mar. 31, 2014 | Mar. 31, 2013 | Dec. 05, 2013 | Dec. 16, 2013 | Mar. 19, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 02, 2014 Subsequent Event [Member] | Apr. 21, 2014 Subsequent Event [Member] | Mar. 19, 2014 Subsequent Event [Member] | Dec. 31, 2013 Subsequent Event [Member] | Dec. 31, 2011 Five Charterers [Member] Sales Revenue, Services, Net [Member] | Dec. 31, 2013 Three Charterers [Member] Sales Revenue, Services, Net [Member] | Dec. 31, 2012 Three Charterers [Member] Sales Revenue, Services, Net [Member] | Dec. 31, 2013 Central Mare and CSM [Member] | Mar. 31, 2014 CMS [Member] | Mar. 31, 2014 Central Mare [Member] | Mar. 31, 2013 Central Mare [Member] | Dec. 31, 2013 Central Mare [Member] | Dec. 31, 2012 Central Mare [Member] | Dec. 31, 2013 Charterers [Member] | Dec. 31, 2012 Charterers [Member] | Dec. 31, 2011 Charterers [Member]
Note 1 - Basis of Presentation and General Information (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 7 |  | 10 |  |  |  |  |  |  |  | 7 | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding (in Shares) | 8,310,004 |  |  | 8,310,004 |  |  |  |  | 2,469,648 | 2,449,648 |  | 8,310,004 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share Price (in Dollars per share) |  |  | $ 0.01 |  |  |  |  | $ 8.404 |  |  |  | $ 0.01 | $ 8.4 | $ 0.01 |  |  |  |  |  |  |  |  |  |  |  |
Due to Related Parties, Current (in Dollars) |  |  |  |  |  |  |  |  | $ 807,000 | $ 2,150,000 |  |  |  |  |  |  |  | $ 807,000 | $ 17 |  |  | $ 807,000 | $ 2,150,000 |  |  |
Due from Related Parties (in Dollars) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 219,000 |  |  |  |  |  |  |  |
(in Dollars) |  |  |  | $ 33,000 | $ 158,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,000 | $ 33,000 | $ 158,000 |  |  |  |  |
Number of Vessels |  | 6 |  |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Charterers |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 3 | 5
Concentration Risk, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 10.00% | 10.00% |  |  |  |  |  |  |  |  |

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