Stockholders' Equity (Securities Purchase Agreement) (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Mar. 16, 2015	Nov. 25, 2014	Jun. 30, 2015	Sep. 30, 2015	Oct. 24, 2014	Sep. 16, 2013	May. 10, 2012
Class of Stock [Line Items]
Number of warrants issued (in warrants)							21,364
Warrants, exercise price per share (in dollars per warrant)						$ 92	$ 640
Securities Purchase Agreement
Class of Stock [Line Items]
Stock compensation expense related to issuance of warrants			$ 2,091
Securities Purchase Agreement | SIC III
Class of Stock [Line Items]
Stock compensation expense related to issuance of warrants			$ 2,049
Securities Purchase Agreement | SIC III | Series C Convertible Preferred Stock
Class of Stock [Line Items]
Temporary equity, shares subscribed but unissued				10,000
Temporary equity, shares subscribed but unissued, subscriptions receivable				$ 10,000	$ 10,000
Warrants unissued				500,000
Exercise price above market value of common stock, percent				10.00%
Temporary equity, shares issued	7,000	3,000
Sale of Class C Convertible Redeemable Preferred Stock	$ 7,000	$ 3,000
Number of warrants issued (in warrants)	350,000	150,000
SIC III Line Of Credit Note | Securities Purchase Agreement | SIC III | Series C Convertible Preferred Stock
Class of Stock [Line Items]
Class of warrant or right, unissued, number of warrants issued for each $1,000 paid for temporary equity shares	50,000
Warrants, exercise price per share (in dollars per warrant)	$ 1.78	$ 2.98