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Earnings Per Share of Common Stock (Detail) - Basic and diluted earnings per share computations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Earnings Per Share [Abstract]        
Net income $ 167 $ 740 $ 513 $ 855
Less: Net income attributable to nonvested common stock (in Dollars) 6 16 18 17
Net income attributable to common stockholders (in Dollars) $ 161 $ 724 $ 495 $ 838
Weighted average total shares outstanding – basic 3,580 3,448 3,562 3,437
Less: weighted average non-vested shares outstanding 134 73 123 68
Weighted average number of common shares outstanding – basic 3,446 3,375 3,439 3,369
Potential common shares from non-vested stock awards and the assumed exercise of stock options 47 49 45 47
Weighted average common shares outstanding – diluted 3,493 3,424 3,484 3,416
Net income (loss) per share – basic (in Dollars per share) $ 0.05 $ 0.21 $ 0.14 $ 0.25
Net income (loss) per share – diluted (in Dollars per share) $ 0.05 $ 0.21 $ 0.14 $ 0.25