Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Current income tax provision:
U.S. federal	$ (2,560)	$ 2,847	$ 4,055
U.S. state and local	55	101	489
Non-U.S	338	77	111
Total current tax provision (benefit)	(2,167)	3,025	4,655
Deferred income tax provision (benefit):
U.S. federal	(277)	(329)	(540)
U.S. state and local	83	(57)	27
Non-U.S	83	0	0
Total deferred tax provision (benefit)	(277)	(272)	(567)
Income tax provision (benefit)	$ (2,444)	$ 2,753	$ 4,088