Inventory (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Sep. 30, 2013
Inventory Disclosure [Abstract]
Raw Materials	$ 2,169	$ 2,389
Work in Process	3,595	3,519
Finished Goods	1,816	1,545
Parts and Supplies	10,711	12,694
Inventory, Net	$ 18,291	$ 20,147