Stockholders' Equity (Summary Of The Option And Stock Appreciation Rights Activity) (Details) (USD $)	9 Months Ended	12 Months Ended	9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013 $1.69 - $116.40 [Member]	Sep. 30, 2014 $4.04 - $5.19 [Member]	Sep. 30, 2014 $1.69 - $116.40 [Member]	Sep. 30, 2014 $1.69 - $116.40 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of Options/SARs, Outstanding, December 31, 2013	188,947
Number of Options/SARs, Granted	336,850
Number of Options/SARs, Exercised
Number of Options/SARs, Forfeited	(24,878)
Number of Options/SARs, Outstanding, September 30, 2014	500,919
Weighted Average Exercise Price per Share, Outstanding, December 31, 2013	$ 48.38
Weighted Average Exercise Price per Share, Granted	$ 4.04
Weighted Average Exercise Price per Share, Exercised
Weighted Average Exercise Price per Share, Forfeited	$ 52.18
Weighted Average Exercise Price per Share, Outstanding, September 30, 2014	$ 18.38
Range of Exercise Price, Lower limit		$ 1.69	$ 4.04	$ 1.69	$ 1.69
Range of Exercise Price, Upper limit		$ 116.40	$ 5.19	$ 116.40	$ 116.40