Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Current income tax provision:
U.S. federal	$ 2,847	$ 4,055	$ 2,617
U.S. state and local	101	489	514
Non-U.S	77	111	70
Total current tax provision	3,025	4,655	3,201
Deferred income tax provision (benefit):
U.S. federal	(329)	(540)	(324)
U.S. state and local	57	(27)	(16)
Total deferred tax provision (benefit)	(272)	(567)	(340)
Income tax provision	$ 2,753	$ 4,088	$ 2,861