Inventory (Tables)

6 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventory consisted of the following:

	As of
(in thousands)	March 31, 2019		September 30, 2018
Raw materials	$	12,462	$	11,857
Work in-process	5,523		5,402
Finished goods	3,801		5,024
Inventory balance at end of period	$	21,786	$	22,283
Current portion	$	20,672	$	20,850
Non-Current portion	$	1,114	$	1,433