Income Taxes - Schedule of Income Taxes from Continuing Operations Before Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Current income tax provision (benefit):
U.S. federal	$ (2,687)	$ (2,560)
U.S. state and local	(111)	55
Non-U.S.	94	338
Total current tax benefit	(2,704)	(2,167)
Deferred income tax provision (benefit):
U.S. federal	1,481	(277)
U.S. state and local	69	(83)
Non-U.S.	(844)	83
Total deferred tax provision (benefit)	706	(277)
Income tax benefit	$ (1,998)	$ (2,444)