Fair Value Measurements and Disclosures (Details) (USD $)	Jun. 30, 2012		Dec. 31, 2011
Assets [Abstract]
Futures	$ 6,531,804		$ 11,006,486
Forwards	286,672		729,350
Total Assets	6,818,476		11,735,836
Liabilities [Abstract]
Futures	5,131,878		3,707,388
Forwards	704,930		322,961
Total Liabilities	5,836,808		4,030,349
Assets and Liabilities Measured at Fair Value [Abstract]
Unrealized currency loss	(1,221,923)		(1,303,588)
Net fair value	(240,255)	[1]	6,401,899	[1]
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Assets [Abstract]
Futures	6,531,804		11,006,486
Forwards	0		0
Total Assets	6,531,804		11,006,486
Liabilities [Abstract]
Futures	5,131,878		3,707,388
Forwards	0		0
Total Liabilities	5,131,878		3,707,388
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	1,399,926	[1]	7,299,098	[1]
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Futures	0		0
Forwards	286,672		729,350
Total Assets	286,672		729,350
Liabilities [Abstract]
Futures	0		0
Forwards	704,930		322,961
Total Liabilities	704,930		322,961
Assets and Liabilities Measured at Fair Value [Abstract]
Net fair value	(418,258)	[1]	406,389	[1]
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 "Total net unrealized gain (loss) on open contracts" on the Statements of Financial Condition.