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Note 11 - Derivatives and Fair Value Disclosures (Detail) - Financial Instruments (USD $)
Sep. 30, 2012
Dec. 31, 2011
Interest Rate Swap Agreements $ 1,026,410  
Interest Rate Swap Agreements 5,913,326 9,401,798
Total derivatives not designated as hedging instruments 6,939,736 9,401,798
Total derivatives 6,939,736 9,401,798
Not Designated as Hedging Instrument [Member]
    
Interest Rate Swap Agreements 1,026,410  
Interest Rate Swap Agreements 5,913,326 9,401,798
Total derivatives not designated as hedging instruments 6,939,736 9,401,798
Total derivatives $ 6,939,736 $ 9,401,798