Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash Flows from Operating Activities
Net (decrease) in net assets resulting from operations	$ (1,377,612)	$ (331,390)
Changes in operating assets and liabilities:
Decrease in prepaid expenses	(4,757)	8,546
Unrealized depreciation on investments	(101,434)	(1,345,381)
Increase (decrease) in accrued commissions payable to related parties	(30,068)	(47,361)
Increase (decrease) in other accrued liabilities	19,199	(4,953)
Net (purchases) of investments in United States government securities	(4,996,138)
Net cash (used in) operating activities	(6,490,810)	(1,720,539)
Cash Flows from Financing Activities
Proceeds from sale of units, net of sales commissions		40,361
Partner redemptions	(1,526,465)	(3,497,266)
Net cash (used in) financing activities	(1,526,465)	(3,456,905)
Net (decrease) in cash and cash equivalents	(8,017,275)	(5,177,444)
Cash and cash equivalents, beginning of period	10,711,550	14,979,245
Cash and cash equivalents, end of period	2,694,275	9,801,801
End of period cash and cash equivalents consist of:
Cash and cash equivalents at broker	2,055,025	3,564,115
Treasury bills		4,999,726
Cash and cash equivalents	639,250	1,236,919
Money market fund		1,041
Total cash and cash equivalents	$ 2,694,275	$ 9,801,801