Property, Plant, and Equipment, net

6 Months Ended

Mar. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant, and Equipment, net

Property, Plant, and Equipment, net

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

	As of
(in thousands)	March 31, 2019			September 30, 2018
Equipment	$	37,838		$	36,625
Furniture and fixtures	1,109			1,109
Computer hardware and software	3,065			2,928
Leasehold improvements	2,294			2,049
Construction in progress	8,153			3,648
Property, plant, and equipment, gross	$	52,459		46,359
Accumulated depreciation	(31,364		)	(28,143		)
Property, plant, and equipment, net	$	21,095		$	18,216