Income Taxes (Detail) - Components of income before income tax and income tax expense (benefit) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Income (loss) before income tax:
U.S.	$ 576	$ 1,460
Foreign	(560)	(5)
Income before income taxes	16	1,455
Current:
Federal	(4)	(135)
State	24	14
Foreign	152	37
Current Income Tax Expense (Benefit)	172	(84)
Deferred:
Federal	(36)	159
State	67	16
Foreign	23	30
Deferred Income Tax Expense (Benefit)	54	205
Income tax expense (benefit)	$ 226	$ 121