Schedule of Components of Property, Plant, and Equipment, net (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Net Balance:
Property, plant, and equipment, net	$ 46,923	$ 46,786
Land:
Net Balance:
Property, plant, and equipment, net	1,502	1,502
Building and Improvements:
Net Balance:
Property, plant, and equipment, net	19,463	19,904
Equipment:
Net Balance:
Property, plant, and equipment, net	12,443	12,656
Furniture and Fixtures:
Net Balance:
Property, plant, and equipment, net	190	51
Computer Hardware and Software:
Net Balance:
Property, plant, and equipment, net	1,050	1,041
Leasehold Improvements:
Net Balance:
Property, plant, and equipment, net	3,820	4,631
Construction in Progress:
Net Balance:
Property, plant, and equipment, net	$ 8,455	$ 7,001