Profit Sharing Plan (Details Textual) (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011
Defined Contribution Plan, Employer Matching Contribution, Percent	50.00%
Defined Contribution Plan, Administrative Expenses	$ 161,000	$ 139,000
Deferred Profit Sharing [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent	15.00%
Employee Contributions [Member]
Defined Contribution Plan, Employer Matching Contribution, Percent	4.00%