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Property, Plant, and Equipment, net (Tables)
12 Months Ended
Sep. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
The components of property, plant, and equipment, net consisted of the following:
 
As of
 
As of
(in thousands)
September 30,
2013
 
September 30, 2012
Land
$
1,502

 
$
1,502

Building and improvements
18,423

 
19,065

Equipment
23,134

 
15,088

Furniture and fixtures
95

 
206

Computer hardware and software
933

 
1,017

Leasehold improvements
3,029

 
3,598

Construction in progress
2,628

 
7,420

Property, plant, and equipment, net
$
49,744

 
$
47,896