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Property, Plant, and Equipment, net (Tables)
6 Months Ended
Mar. 31, 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)
March 31,
2013
 
September 30, 2012
Land
$
1,502

 
$
1,502

Building and improvements
18,760

 
19,065

Equipment
16,632

 
15,088

Furniture and fixtures
112

 
206

Computer hardware and software
937

 
1,017

Leasehold improvements
3,207

 
3,598

Construction in progress
9,311

 
7,420

Property, plant, and equipment, net
$
50,461

 
$
47,896