Statements of Income and Expenses (USD $)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Investment income:
Interest income (Note 3c)					$ 240
Interest income from investment in Funds (Note 3c)	9,820		7,193		24,289
Total investment income	9,820		7,193		24,529
Expenses:
Brokerage fees including clearing fees (Note 3c)	1,158,723		1,476,361		1,596,572
Management fees (Note 3b)	328,060		419,397		491,189
Incentive fees (Note 3b)					119,073
Professional fees	105,711		145,732		134,875
Other	47,243		43,732		83,092
Total expenses	1,639,737		2,085,222		2,424,801
Net investment income (loss)	(1,629,917)		(2,078,029)		(2,400,272)
Net gains (losses) on trading of commodity interests and investment in Funds:
Net realized gains (losses) on closed contracts					(485,070)
Net realized gains (losses) on investment in Funds	(445,120)		(179,145)		3,511,257
Change in net unrealized gains (losses) on open contracts					35,125
Change in net unrealized gains (losses) on investments in Funds	(288,737)		(538,786)		963,313
Total trading results	(733,857)		(717,931)		4,024,625
Net income (loss)	$ (2,363,774)		$ (2,795,960)		$ 1,624,353
Net income (loss) per unit (Note 7)*	$ (201.64)	[1]	$ (207.13)	[1]	$ 117.49	[1]
Weighted average units outstanding	11,882.5154		13,455.7480		14,894.3611

[1] Based on change in net asset value per unit.