Inventory (Tables)

12 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventory consisted of the following:

	As of		As of
(in thousands)	September 30, 2017		September 30, 2016
Raw materials	$	15,826	$	16,095
Work in-process	6,586		5,687
Finished goods	5,414		5,899
Inventory balance at end of period	$	27,826	$	27,681
Current portion	$	25,139	$	24,150
Non-Current portion	$	2,686	$	3,531