Earnings per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
EPS:
Net income	$ 109	$ 641	$ 1,173	$ 1,024
Less: accrued preferred stock dividends	(19)	(19)	(38)	(38)
Net income available for common shareholders	$ 90	$ 622	$ 1,135	$ 986
Earnings per common share - basic and diluted (in dollars per share)	$ 0.02	$ 0.13	$ 0.23	$ 0.20