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Note 21 - Subsequent Events (Details) (USD $) | 1 Months Ended | 12 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jul. 31, 2013 | Jun. 30, 2013 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Jan. 27, 2014 Subsequent Event [Member] Scenario, Forecast [Member] Series B Preferred Stock [Member] | Mar. 11, 2014 Subsequent Event [Member] Scenario, Forecast [Member] | Jan. 31, 2014 Subsequent Event [Member] Two Ultramax Fuel Efficient Drybulk Carriers [Member] First Installment [Member] | Feb. 28, 2014 Subsequent Event [Member] MV Million Trader [Member] | Jan. 27, 2014 Subsequent Event [Member] A Fund Managed by Tennenbaum Capital Partners, LLC [Member] Series B Preferred Stock [Member] | Jan. 27, 2014 Subsequent Event [Member] Preferred Friends Investment Company Inc [Member] Series B Preferred Stock [Member] | Mar. 11, 2014 Subsequent Event [Member] | Feb. 02, 2014 Subsequent Event [Member]
Note 21 - Subsequent Events (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in Shares) |  |  |  |  |  |  | 11,200,000 |  |  | 25,000 | 5,700 |  |
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  | $ 29,000,000 |  |  |  |  |  |  |
Payments to Acquire Machinery and Equipment |  |  |  |  |  |  |  | 5,440,000 |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  |  | 8,000,000
Debt Instrument, Term |  |  |  |  |  |  |  |  |  |  |  |  | 3 years
Debt Instrument, Periodic Payment |  |  |  |  |  |  |  |  |  |  |  |  | 375,000
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid |  |  |  |  |  |  |  |  |  |  |  |  | 3,500,000
Payments to Acquire Other Productive Assets |  |  |  |  |  |  |  |  | 20,500,000 |  |  |  |
Sale of Stock, Price Per Share (in Dollars per share) |  |  |  |  |  |  | $ 1.3435 |  |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  |  |  |  | 14,400,000 |  |  |  |  |  |
Proceeds from Sale of Property, Plant, and Equipment |  |  |  | 7,322,818 | 4,250,843 |  |  |  |  |  |  | 1,000,000 |
Gain (Loss) on Disposition of Property Plant Equipment | $ 1,256,659 | $ (3,191,678) | $ (8,568,234) | $ (1,935,019) | $ (8,568,234) |  |  |  |  |  |  | $ 5,000,000 |

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