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		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Earnings Per Share [Abstract]
Net income (loss)	$ 503	$ (675)	$ 786	$ (1,112)
Less: Net income attributable to nonvested common stock (in Dollars)	23	(26)	30	(40)
Net income attributable to common stockholders (in Dollars)	$ 480	$ (649)	$ 756	$ (1,072)
Weighted average total shares outstanding – basic	3,782	3,662	3,732	3,637
Less: weighted average non-vested shares outstanding	173	137	143	130
Weighted average number of common shares outstanding – basic	3,609	3,525	3,589	3,507
Potential common shares from non-vested stock awards and the assumed exercise of stock options	121	0	139	0
Weighted average common shares outstanding – diluted	3,730	3,525	3,728	3,507
Net income (loss) per share – basic (in Dollars per share)	$ 0.13	$ (0.19)	$ 0.21	$ (0.31)
Net income (loss) per share – diluted (in Dollars per share)	$ 0.13	$ (0.19)	$ 0.20	$ (0.31)