Property, Plant, and Equipment, net (Tables)

6 Months Ended

Mar. 31, 2020

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
(in thousands)	March 31, 2020		September 30, 2019
Land	$	—	$	3,484
Building		—		9,405
Equipment		26,891		42,308
Furniture and fixtures		1,004		1,109
Computer hardware and software		3,502		3,554
Leasehold improvements		3,019		2,676
Construction in progress		8,798		9,330
Property, plant, and equipment, gross	$	43,214	$	71,866
Accumulated depreciation		(22,320)		(34,643)
Property, plant, and equipment, net	$	20,894	$	37,223