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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Short-Term Investments	$ 82,786,902	$ 96,899,767
Exchange-Traded Futures Contracts
Foreign Contracts	5,587,910	2,332,880
Fair Value, Inputs, Level 1 [Member]
Short-Term Investments	82,786,902	96,899,767
Exchange-Traded Futures Contracts
Foreign Contracts	5,587,910	2,332,880
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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Unrealized gain (loss) on open commodity futures contracts.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

+ 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))
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-Topic 944
-SubTopic 210
-Section S99
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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