Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table presents the Trust’s fair value hierarchy for those assets and liabilities measured at fair value on a recurring basis as of December 31, 2013 and 2012, respectively:

	December 31, 2013
	Level 1		Level 2		Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	762,636	$	-	$	-	$	762,636
Fixed income securities		-		1,465,195		-		1,465,195
Total assets		762,636		1,465,195		-		2,227,831
Total fair value	$	762,636	$	1,465,195	$	-	$	2,227,831

	December 31, 2012
	Level 1		Level 2		Level 3		Total
Assets
Unrealized gain on open contracts:
Futures positions	$	260,744	$	-	$	-	$	260,744
Purchased options on futures contracts		728,440		-		-		728,440
Fixed income securities		-		11,003,681		-		11,003,681
Total assets		989,184		11,003,681		-		11,992,865
Liabilities
Options written on futures contracts		884,242		-		-		884,242
Total fair value	$	104,942	$	11,003,681	$	-	$	11,108,623