Stockholders' Equity RS Award Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended				12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2008 Two Thousand Eight [Member]	Sep. 30, 2009 Two Thousand Nine [Member]	Sep. 30, 2010 Two Thousand Ten [Member]	Sep. 30, 2011 Two Thousand Eleven [Member]	Sep. 30, 2012 Two Thousand Twelve [Member]	Sep. 30, 2013 Two Thousand Thirteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Granted	12,500	107,500	320,000		101,650	185,100	225,486	320,000	107,500	12,500
Weighted Average Fair Value at Date of Grant					$ 19.17	$ 8.71	$ 3.64	$ 3.39	$ 2.07	$ 5
Vested	(101,914)	(192,973)	(165,628)		85,750	146,400	148,047	161,049	33,334	0
Unvested shares forfeited	0	(32,901)	(130,258)		15,900	38,700	77,439	77,205	0	0
Share outstanding	168,412	257,826	376,200	352,086				81,746	74,166	12,500
Recognized compensation expense					$ 1,779	$ 1,344	$ 495	$ 661	$ 123	$ 14