Income Taxes - Components of Income Tax Expense (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Income Taxes [Abstract]
Current State and Local Tax Expense (Benefit)	$ 253	$ 250	$ 114
Deferred State and Local Income Tax Expense (Benefit)	(215)	(78)	(150)
Income Tax Expense (Benefit)	$ 38	$ 172	$ (36)