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Earnings Per Share of Common Stock (Detail) - Basic and diluted earnings per share computations - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Earnings Per Share [Abstract]        
Net income (loss) $ 1,257 $ 249 $ 2,043 $ (863)
Less: Net income attributable to nonvested common stock (in Dollars) 59 9 84 0
Net income attributable to common stockholders (in Dollars) $ 1,198 $ 240 $ 1,959 $ (863)
Weighted average total shares outstanding – basic 3,797 3,674 3,754 3,522
Less: weighted average non-vested shares outstanding 179 134 155 0
Weighted average number of common shares outstanding – basic 3,618 3,540 3,599 3,522
Potential common shares from non-vested stock awards and the assumed exercise of stock options 125 93 134 0
Weighted average common shares outstanding – diluted 3,743 3,633 3,733 3,522
Net income (loss) per share – basic (in Dollars per share) $ 0.33 $ 0.07 $ 0.54 $ (0.25)
Net income (loss) per share – diluted (in Dollars per share) $ 0.32 $ 0.07 $ 0.52 $ (0.25)