Property, Plant, and Equipment, net (Schedule of Components of Property, Plant, and Equipment, Net) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 47,896	$ 46,786
Land
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	1,502	1,502
Building and Improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	19,065	19,904
Equipment
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	15,088	12,656
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	206	51
Computer hardware and software
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	1,017	1,041
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	3,598	4,631
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant, and equipment, net	$ 7,420	$ 7,001