Description of Business (Liquidity and Capital Resources) (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2012	Sep. 30, 2011
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 5,914,000	$ 20,245,000	$ 5,914,000	$ 20,245,000	$ 9,047,000	$ 15,598,000
Working capital	24,700,000		24,700,000
Net income (loss)	(7,283,000)	(9,039,000)	7,240,000	(32,603,000)
Net cash (used in) provided by operating activities			$ (12,723,000)	$ (4,026,000)