Property, Plant, and Equipment, net (Tables)

12 Months Ended

Sep. 30, 2015

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)	September 30, 2015			September 30, 2014
Equipment	$	24,913		$	23,185
Furniture and fixtures	1,109			1,109
Computer hardware and software	2,177			2,026
Leasehold improvements	1,480			5,576
Construction in progress	875			49
Property, plant, and equipment, gross	30,554			31,945
Accumulated depreciation	(21,629		)	(21,499		)
Property, plant, and equipment, net	$	8,925		$	10,446