Stock Options and Awards (Detail) - Summary data of stock option award activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding, number of shares	107,676	246,425
Outstanding, weighted average exercise price (in Dollars per share)	$ 7.56	$ 7.11
Outstanding, weighted average remaining contractual term	1 year 360 days
Exercisable at September 30, 2014	90,813
Exercisable at September 30, 2013 (in Dollars per share)	$ 7.72
Exercisable at September 30, 2014	1 year 336 days
Exercisable at September 30, 2013 (in Dollars)	$ 109
Vested and expected to vest at September 30, 2014	92,126
Vested and expected to vest at September 30, 2013 (in Dollars per share)	$ 7.66
Vested and expected to vest at September 30, 2014	1 year 360 days
Vested and expected to vest at September 30, 2013 (in Dollars)	115
Granted, number of shares	0	0
Granted, weighted average exercise price (in Dollars per share)	$ 0.00	$ 0.00
Expired, number of shares	(12,500)	(97,500)
Expired, weighted average exercise price (in Dollars per share)	$ 7.48	$ 8.46
Forfeited, number of shares	0	0
Forfeited, weighted average exercise price (in Dollars per share)	$ 0.00	$ 0.00
Exercised, number of shares	(3,050)	(41,249)
Exercised, weighted average exercise price (in Dollars per share)	$ 5.02	$ 2.77
Outstanding, number of shares	92,126	107,676
Outstanding, weighted average exercise price (in Dollars per share)	$ 7.66	$ 7.56
Outstanding, weighted average remaining contractual term	1 year 360 days
Outstanding, aggregate intrinsic value (in Dollars)	$ 115