Inventory (Tables)

9 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventory consisted of the following:

	As of		As of
(in thousands)	June 30, 2018		September 30, 2017
Raw materials	$	14,668	$	15,826
Work in-process	5,823		6,586
Finished goods	5,753		5,413
Inventory balance at end of period	$	26,244	$	27,825
Current portion	$	24,152	$	25,139
Non-Current portion	$	2,092	$	2,686