Description of Business (Liquidity and Capital Resources) (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013	Sep. 30, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents	$ 18,175,000	$ 5,922,000	$ 18,175,000	$ 5,922,000	$ 16,104,000	$ 9,047,000
Working capital	32,600,000		32,600,000
Net (loss) income	(5,432,000)	11,697,000	(7,486,000)	14,523,000
Net cash provided by operating activities			$ 7,300,000	$ (10,198,000)