Accrued Liabilities - Schedule of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Sep. 30, 2015
Payables and Accruals [Abstract]
Accrued compensation	$ 1,258	$ 1,166
Accrued expenses	365	221
Accrued interest & taxes	257	186
Other accrued liabilities	3	93
Total	$ 1,883	$ 1,666