Condensed Statements of Operations (Unaudited) (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Condensed Statements of Operations [Abstract]
Participation unit outstanding, per unit amount	$ 10,000	$ 10,000	$ 10,000	$ 10,000
Participation units, outstanding	700	700	700	700