Additional Valuation Information (Tables)

6 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Summary of the Tiered Valuation Input Levels

The following is a summary of the tiered valuation input levels as of June 30, 2017:

	Level 1			Level 2		Level 3		Total
United States Treasury Obligations	$	—		$	18,984,562	$	—	$	18,984,562
Money Market Mutual Fund		1,591,026		—		—			1,591,026
		1,591,026			18,984,562	—			20,575,588
Commodity Futures Contracts (a)		(1,798,035	)	—		—			(1,798,035	)
Total Investments	$	(207,009	)	$	18,984,562	$	—	$	18,777,553

^(a)          Unrealized appreciation (depreciation).

The following is a summary of the tiered valuation input levels as of December 31, 2016:

	Level 1			Level 2		Level 3		Total
United States Treasury Obligations	$	—		$	23,853,157	$	—	$	23,853,157
Commodity Futures Contracts (a)	$	(1,599,451	)	$	—	$	—	$	(1,599,451	)
Total Investments	$	(1,599,451	)	$	23,853,157	—		$	22,253,706

^(a) Unrealized appreciation (depreciation).