Accumulated Other Comprehensive Income (Loss) (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax	$ 0	$ 0	$ 0	$ 0