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Note 2 - Significant Accounting Policies (Details) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Note 2 - Significant Accounting Policies (Details) [Line Items] |  |  |
Allowance for Doubtful Accounts Receivable | $ 0 | $ 0 | $ 0
Employee Contract Term Max | 9 months |  |
Number of Reportable Segments | 1 |  |
Original Value [Member] | Containerships [Member] |  |  |
Note 2 - Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 30 years |  |
Vessel [Member] | Minimum [Member] |  |  |
Note 2 - Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 25 years |  |
Containerships [Member] | Service Life [Member] |  |  |
Note 2 - Significant Accounting Policies (Details) [Line Items] |  |  |
Depreciation, Depletion and Amortization | $ 3,400,000 |  |
Earnings Per Share, Basic and Diluted (in Dollars per share) | $ (0.08) |  |
Containerships [Member] |  |  |
Note 2 - Significant Accounting Policies (Details) [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 25 years |  |

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