Summary of Significant Accounting Policies (Details1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Effects of mark-to-market valuation of interest rate swap agreement
Interest rate swap agreement market value adjustment			$ (85)
Tax effect of interest rate swap agreement market value adjustment			32
Net interest rate swap agreement market value adjustment	$ (1)	$ 0	$ (53)	$ 0