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Note 17 - Derivative Financial Instruments (Details) - Gain or Loss on Derivatives Not Designated as Hedging Instruments (Not Designated as Hedging Instrument [Member], USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Total loss on derivatives	$ (177,132)	$ (637,403)	$ (1,498,122)
FFA Contract (Member)
Derivative Instruments, Gain (Loss) [Line Items]
FFA contracts – Fair value			(574,336)
FFA contracts - Realized loss		(2,247)	910,088
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate – Fair value	1,375,820	1,057,928	(76,516)
Interest rate contracts - Realized loss	$ (1,552,952)	$ (1,693,084)	$ (1,758,158)

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Amount of realized and unrealized loss of derivative instruments not designated or qualifying as hedging instruments.

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-Publisher FASB

-Name Accounting Standards Codification

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments.

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Fair value as of the balance sheet date of all derivative assets not designated as hedging instruments.

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Net fair value of all derivative instruments not designated as a hedging instrument.

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