Inventory (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
InventoryDisclosureAbstract
Raw Materials	$ 1,978	$ 2,389
Work in Process	2,618	3,519
Finished Goods	1,819	1,545
Parts and Supplies	9,633	12,694
Inventory, Net, Total	$ 16,048	$ 20,147