Property, Plant, and Equipment, net (Tables)

3 Months Ended

Dec. 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)	December 31, 2020		September 30, 2020
Equipment	$	36,074	$	35,218
Furniture and fixtures		1,125		1,125
Computer hardware and software		3,476		3,473
Leasehold improvements		3,249		3,169
Construction in progress		9,933		10,301
Property, plant, and equipment, gross	$	53,857	$	53,286
Accumulated depreciation		(33,299)		(32,234)
Property, plant, and equipment, net	$	20,558	$	21,052