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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) (USD $) | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Short-Term Investments | $ 27,715,581 | $ 40,715,676
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 77,060 | 739,330
Fair Value, Inputs, Level 1 [Member] |  |
Short-Term Investments | 27,715,581 | 40,715,676
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 77,060 | 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. + Details
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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 + Details
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