Statements of Financial Condition (Unaudited) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Trading Equity:
Unrestricted cash	$ 40,438,753	$ 40,334,590
Restricted cash	3,586,773	4,973,503
Total cash	44,025,526	45,308,093
Net unrealized loss on open contracts (MS&Co.)	(1,975,691)	(1,105,501)
Total Trading Equity	42,049,835	44,202,592
Interest receivable (MS&Co)	1,095	1,281
Total Assets	42,050,930	44,203,873
Liabilities:
Redemptions payable	774,404	1,086,272
Accrued brokerage fees (MS&Co.)	214,442	212,416
Accrued management fees	71,481	70,805
Total Liabilities	1,060,327	1,369,493
Partners' Capital:
Limited Partners (3,803,571.164 and 4,364,559.660 Units, respectively)	40,497,897	42,313,890
General Partner (46,275.055 and 53,687.055 Units, respectively)	492,706	520,490
Total Partners' Capital	40,990,603	42,834,380
Total Liabilities and Partners' Capital	$ 42,050,930	$ 44,203,873
NET ASSET VALUE PER UNIT (in dollars per unit)	$ 10.65	$ 9.69