Accumulated Other Comprehensive Income (Loss) (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2015	Feb. 28, 2014	Feb. 28, 2015	Feb. 28, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax	$ 0	$ 0	$ 0	$ 0