Condensed Statements of Operations (Parenthetical) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Stated amount per participation unit	$ 5,000	$ 5,000	$ 5,000	$ 5,000
Participation units outstanding	720	720	720	720