Income Taxes (Narrative) (Details) (USD $)	3 Months Ended				9 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011
Income Taxes [Abstract]
Provision for income taxes	$ 9,000			$ (18,000)	$ 75,000	$ 34,000
Tax liability for uncertain tax postions	6,000	6,000	6,000		19,000
Potential cash payments related to cash exposures							175,000
Benefit for uncertain tax position	$ 2,000				$ 7,000