Inventory (Tables)

6 Months Ended

Mar. 31, 2014

Inventory Disclosure [Abstract]

Schedule Of Inventory Current [Table Text Block]

	March 31,		September 30,
	2014		2013
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
Total inventories	$	18,291	$	20,147