Condensed Statements of Financial Condition (Parentheticals)	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Members, units outstanding (in Shares)	57,595.47	50,277.92
Members, units authorized	unlimited	unlimited
Sponsor, units authorized	unlimited	unlimited
Sponsor, units outstanding (in Shares)	8.12	8.12
Aspect Series [Member]
Members, units outstanding (in Shares)	57,595.47	50,277.92
Members, units authorized	unlimited	unlimited
Sponsor, units authorized	unlimited	unlimited
Sponsor, units outstanding (in Shares)	8.12	8.12