Income Taxes (Detail) - Components of income before income tax and income tax expense (benefit) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Income (loss) before income tax:
U.S.	$ 809	$ 4,382
Foreign	(120)	487
Income before income taxes	689	4,869
Current:
Federal	(308)	1,088
State	62	58
Foreign	(3)	40
Current Income Tax Expense (Benefit)	(249)	1,186
Deferred:
Federal	601	(2,734)
State	(41)	(274)
Foreign	10	82
Deferred Income Tax Expense (Benefit)	570	(2,926)
Income tax expense (benefit)	$ 321	$ (1,740)