Long-Term Debt (Components of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Sep. 30, 2013
Long-Term Debt [Abstract]
Industrial development revenue bonds	$ 3,200	$ 3,600
Capital lease obligations		16
Subtotal long-term debt and capital lease obligations	3,200	3,616
Less current portion	(400)	(416)
Long-term debt and capital lease obligations, net of current maturities	$ 2,800	$ 3,200