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Note 16 - Derivative Financial Instruments (Detail) - Derivatives Not Designated as Hedging Instruments by Account Type (USD $)
Dec. 31, 2012
Dec. 31, 2011
Interest rate swap contracts $ 1,718,438 $ 1,907,088
Interest rate contracts 675,130 1,544,409
Total derivative liabilities $ 2,393,568 $ 3,451,497