Shareholders' Equity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
EPS- basic and diluted:
Net income	$ 2,552	$ 2,420
Less: undeclared cumulative preferred stock dividends	(76)	(76)
Net income available to common shareholders for basic and diluted EPS computation	$ 2,476	$ 2,344
Weighted average common shares outstanding for basic and diluted EPS computation (in shares)	4,861,590	4,861,590
Earnings per common share - basic and diluted (in dollars per share)	$ 0.51	$ 0.48