Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Accrued Liabilities, Current [Abstract]
Employee payroll, taxes, benefits and performance incentives	$ 6,298	$ 5,270
Other accrued expenses	1,171	1,235
Accrued expenses	$ 7,469	$ 6,505