Accrued Expenses and Other Current Liabilities (Schedule of Accrued Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Sep. 30, 2015	Mar. 31, 2015
Payables and Accruals [Abstract]
Compensation	$ 2,753	$ 3,036
Warranty	1,102	1,664	$ 1,723
Termination fee	2,775	2,775
Professional fees	643	1,147
Customer deposits	26	133
Deferred revenue	22	65
Self insurance	277	606
Income and other taxes	974	1,038
Severance and restructuring accruals	611	1,448
Other	676	1,190
Accrued expenses and other current liabilities	$ 9,859	$ 13,102