Stock Options and Awards (Detail) - Summary data of stock option award activity - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding, number of shares	92,126	107,676
Outstanding, weighted average exercise price (in Dollars per share)	$ 7.66	$ 7.56
Granted, number of shares	0	0
Granted, weighted average exercise price (in Dollars per share)	$ 0.00	$ 0.00
Expired, number of shares	(35,125)	(12,500)
Expired, weighted average exercise price (in Dollars per share)	$ 9.72	$ 7.48
Forfeited, number of shares	0	0
Forfeited, weighted average exercise price (in Dollars per share)	$ 0.00	$ 0.00
Exercised, number of shares	(1,875)	(3,050)
Exercised, weighted average exercise price (in Dollars per share)	$ 5.26	$ 5.02
Outstanding, number of shares	55,126	92,126
Outstanding, weighted average exercise price (in Dollars per share)	$ 6.43	$ 7.66
Outstanding, weighted average remaining contractual term	1 year 326 days
Outstanding, aggregate intrinsic value (in Dollars)	$ 32
Exercisable at September 30, 2015	54,813
Exercisable at September 30, 2013 (in Dollars per share)	$ 6.45
Exercisable at September 30, 2015	1 year 315 days
Exercisable at September 30, 2013 (in Dollars)	$ 32
Vested and expected to vest at September 30, 2015	55,126
Vested and expected to vest at September 30, 2013 (in Dollars per share)	$ 6.43
Vested and expected to vest at September 30, 2015	1 year 326 days
Vested and expected to vest at September 30, 2013 (in Dollars)	$ 32