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Fair Value Of Financial Instruments (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Short-Term Investments	$ 12,010,110	$ 40,715,676
Exchange-Traded Futures Contracts
Foreign Contracts	28,670	739,330
Fair Value, Inputs, Level 1 [Member]
Short-Term Investments	12,010,110	40,715,676
Exchange-Traded Futures Contracts
Foreign Contracts	28,670	739,330
Fair Value, Inputs, Level 2 [Member]
Short-Term Investments	0	0
Exchange-Traded Futures Contracts
Foreign Contracts	0	0
Fair Value, Inputs, Level 3 [Member]
Short-Term Investments	0	0
Exchange-Traded Futures Contracts
Foreign Contracts	$ 0	$ 0

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- Details

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- Definition

Unrealized gain (loss) on open commodity futures contracts.

+ References

No definition available.

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- Definition

Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Subparagraph g

-Article 7

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