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, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Net income (loss)	$ (675)	$ 167	$ (1,112)	$ 513
Less: Net income attributable to nonvested common stock (in Dollars)	(26)	6	(40)	18
Net income attributable to common stockholders (in Dollars)	$ (649)	$ 161	$ (1,072)	$ 495
Weighted average total shares outstanding – basic	3,662	3,580	3,637	3,562
Less: weighted average non-vested shares outstanding	137	134	130	123
Weighted average number of common shares outstanding – basic	3,525	3,446	3,507	3,439
Potential common shares from non-vested stock awards and the assumed exercise of stock options	0	47	0	45
Weighted average common shares outstanding – diluted	3,525	3,493	3,507	3,484
Net income (loss) per share – basic (in Dollars per share)	$ (0.19)	$ 0.05	$ (0.31)	$ 0.14
Net income (loss) per share – diluted (in Dollars per share)	$ (0.19)	$ 0.05	$ (0.31)	$ 0.14