Line of Credit (Details Textual) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2012 Revolving Credit Facility [Member]	Aug. 31, 2011 Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity		$ 10,000,000
Line of Credit Facility, Interest Rate Description	Bears interest at either the 30, 60 or 90 day London Inter-Bank Offered Rate ("LIBOR") (the 90 day LIBOR at August 31, 2012 and 2011 was 0.43% and 0.33%, respectively) plus 1.75% and/or the bank's reference rate (3.25% at August 31, 2012 and 2011).
Line of Credit Facility, Amount Outstanding		7,450,000	8,500,000
Line of Credit Facility, Remaining Borrowing Capacity		$ 2,550,000	$ 1,500,000