Consolidated Statements of Operations (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Net loss allocated from investments in other funds:
Net realized loss on investments	$ (4,592,791)	$ (12,932,287)
Net increase (decrease) in unrealized appreciation on investments	1,122,766	(5,083,941)
Net loss allocated from investments in other funds	(3,470,025)	(18,016,228)
Investment income:
Interest income	307,533	708,371
Expenses:
Brokerage fees	3,731,959	4,705,428
Advisory fees	3,017,638	3,835,296
Sponsor fees	1,508,819	1,917,648
Incentive allocation	0	14,461
Interest and other	40,082	92,386
Total expenses	8,298,498	10,565,219
Net investment loss allocated from investments in other funds	(7,990,965)	(9,856,848)
Net loss	$ (11,460,990)	$ (27,873,076)