Condensed Statements of Operations (Unaudited) (Parenthetical) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Expenses:
Participation unit outstanding, per unit amount	$ 10,000	$ 10,000	$ 10,000	$ 10,000
Participation units, outstanding	700	700	700	700