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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 2) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Derivatives not Accounted for as Hedging Instruments	Futures - Commodity Contracts
Location of Gain or (Loss) on Derivatives Recognized in Income	Change in unrealized gain (loss) on open positions
Realized Gain or (Loss) on Derivatives Recognized in Income	$ 1,440,840	$ 6,361,470
Change in Unrealized Gain or (Loss) on Derivatives Recognized in Income	$ (662,270)	$ 1,154,200
Commodity Contract [Member]
Location of Gain or (Loss) on Derivatives Recognized in Income	Realized gain on closed positions

X

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

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-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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X

- Definition

Description of the type of derivative instrument identified. For example, swaps, swaptions, forwards.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

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- Definition

Description of where the net gain (loss) on foreign currency derivatives not designated as hedging instruments are reported in the statement of income or other statement of financial performance.

+ References

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-Publisher FASB

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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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

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

-Publisher FASB

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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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