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Note 15 - Fair Value Measurement (Detail) - The following table provides a summary of the fair values of the Company’s derivative instrument assets (USD $)	Sep. 30, 2012	Dec. 31, 2011
Derivative instrument asset	$ 468,675	$ 87,023
Derivative Instrument liability	13,011	786,506
Fair Value, Inputs, Level 2 [Member]
Derivative instrument asset	468,675	87,023
Derivative Instrument liability	$ 13,011	$ 786,506

X

- Definition

Fair values as of the balance sheet date of all assets 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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X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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