STATEMENTS OF FINANCIAL CONDITION (Unaudited) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Trading Equity:
Unrestricted cash	$ 38,951,976	$ 40,334,590
Restricted cash	5,900,160	4,973,503
Total cash	44,852,136	45,308,093
Net unrealized loss on open contracts (MS&Co.)	(1,351,338)	(1,105,501)
Total Trading Equity	43,500,798	44,202,592
Interest receivable (MS&Co.)	2,479	1,281
Total Assets	43,503,277	44,203,873
Liabilities:
Redemptions payable	1,128,345	1,086,272
Accrued brokerage fees (MS&Co.)	214,069	212,416
Accrued management fees	71,356	70,805
Total Liabilities	1,413,770	1,369,493
Partners' Capital:
Limited Partners (4,074,031.869 and 4,364,559.660 Units, respectively)	41,616,801	42,313,890
General Partner (46,275.055 and 53,687.055 Units, respectively)	472,706	520,490
Total Partners' Capital	42,089,507	42,834,380
Total Liabilities and Partners' Capital	$ 43,503,277	$ 44,203,873
NET ASSET VALUE PER UNIT (in dollars per unit)	$ 10.22	$ 9.69