Interest Expense, Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Interest expense, net
Interest expense	$ 102	$ 110	$ 315	$ 447
Interest income	(3)	(6)	(12)	(16)
Interest expense, net	$ 99	$ 104	$ 303	$ 431