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Note 17 - Fair Value Measurements (Detail) - Fair Value Hierarchy for Financial Assets and Liabilities (USD $)	Dec. 31, 2012	Dec. 31, 2011
Liabilities
Interest rate swaps	$ 241,438	$ 241,438
Total liabilities	241,438
Fair Value, Inputs, Level 2 [Member]
Liabilities
Interest rate swaps	241,438
Total liabilities	$ 241,438

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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