Stock Options and Awards (Detail) - Summary data of nonvested stock award activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Summary data of nonvested stock award activity [Abstract]
Nonvested shares outstanding, number of nonvested shares	36,750	55,849
Nonvested shares outstanding, weighted average grant date fair value (in Dollars per share)	$ 3.68	$ 3.86
Nonvested shares outstanding, weighted average remaining contractual term	2 years 66 days
Activity in 2012:
Granted, number of nonvested shares	57,250	38,000
Granted, weighted average grant date fair value (in Dollars per share)	$ 5.80	$ 3.56
Vested, number of nonvested shares	(18,000)	(27,766)
Vested, weighted average grant date fair value (in Dollars per share)	$ 3.79	$ 3.87
Forfeited, number of nonvested shares	(2,500)	(29,333)
Forfeited, weighted average grant date fair valuem (in Dollars per share)	$ 6.63	$ 0.00
Activity in 2013:
Vested at September 30, 2013	81,217
Vested at September 30, 2013 (in Dollars per share)	$ 3.67
Vested at September 30, 2013	95 days
Vested at September 30, 2013 (in Dollars)	$ 574
Vested and expected to vest at September 30, 2013	154,717
Vested and expected to vest at September 30, 2013 (in Dollars per share)	$ 4.40
Vested and expected to vest at September 30, 2013	1 year 62 days
Vested and expected to vest at September 30, 2013 (in Dollars)	1,094
Nonvested shares outstanding, number of nonvested shares	73,500	36,750
Nonvested shares outstanding, weighted average grant date fair value (in Dollars per share)	$ 5.21	$ 3.68
Nonvested shares outstanding, weighted average remaining contractual term	2 years 66 days
Nonvested shares outstanding, aggregate intrinsic value (in Dollars)	$ 520