Property, Plant, and Equipment, net (Tables)

3 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

The components of property, plant, and equipment, net consisted of the following:

	As of			As of
(in thousands)	December 31, 2017			September 30, 2017
Equipment	$	31,622		$	31,507
Furniture and fixtures	1,109			1,109
Computer hardware and software	2,927			2,974
Leasehold improvements	2,444			2,330
Construction in progress	4,339			4,539
Property, plant, and equipment, gross	$	42,441		42,459
Accumulated depreciation	(25,284		)	(25,824		)
Property, plant, and equipment, net	$	17,157		$	16,635