Fair Value Measurements and Disclosures (Details) (USD $)	Jun. 30, 2013		Dec. 31, 2012
Assets and Liabilities Measured at Fair Value [Abstract]
Unrealized currency loss	$ (2,387,585)		$ (2,389,680)
Net fair value	(1,975,691)		(1,105,501)
Fair Value Measured on a Recurring Basis [Member]
Assets [Abstract]
Futures	1,120,840		799,204
Forwards	380,227		1,179,980
Total Assets	1,501,067		1,979,184
Liabilities [Abstract]
Futures	267,439		420,203
Forwards	821,734		274,802
Total Liabilities	1,089,173		695,005
Assets and Liabilities Measured at Fair Value [Abstract]
Unrealized currency loss	(2,387,585)		(2,389,680)
Net fair value	(1,975,691)	[1]	(1,105,501)	[1]
Fair Value Measured on a Recurring Basis [Member] | Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Futures	1,120,840		799,204
Forwards	0		0
Total Assets	1,120,840		799,204
Liabilities [Abstract]
Futures	267,439		420,203
Forwards	0		0
Total Liabilities	267,439		420,203
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	853,401	[1]	379,001	[1]
Fair Value Measured on a Recurring Basis [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Futures	0		0
Forwards	380,227		1,179,980
Total Assets	380,227		1,179,980
Liabilities [Abstract]
Futures	0		0
Forwards	821,734		274,802
Total Liabilities	821,734		274,802
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	(441,507)	[1]	905,178	[1]
Fair Value Measured on a Recurring Basis [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets [Abstract]
Futures
Forwards
Total Assets
Liabilities [Abstract]
Futures
Forwards
Total Liabilities
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value		[1]		[1]

[1] This amount comprises the “Net unrealized loss on open contracts” on the Statements of Financial Condition.