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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
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]    
Net income (loss) $ (43) $ 283
Less: Net income attributable to nonvested common stock (in Dollars) 0 9
Net income attributable to common stockholders (in Dollars) $ (43) $ 274
Weighted average total shares outstanding – basic 3,671 3,684
Less: weighted average non-vested shares outstanding 0 115
Weighted average number of common shares outstanding – basic 3,671 3,569
Potential common shares from non-vested stock awards and the assumed exercise of stock options 0 157
Weighted average common shares outstanding – diluted 3,671 3,726
Net income (loss) per share – basic (in Dollars per share) $ (0.01) $ 0.08
Net income (loss) per share – diluted (in Dollars per share) $ (0.01) $ 0.07