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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Short-Term Investments	$ 67,609,727	$ 82,786,902
Exchange-Traded Futures Contracts
Foreign Contracts	(6,289,510)	5,587,910
Fair Value, Inputs, Level 1 [Member]
Short-Term Investments	67,609,727	82,786,902
Exchange-Traded Futures Contracts
Foreign Contracts	(6,289,510)	5,587,910
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.

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