Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)	0 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended
	Jul. 10, 2012	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Restricted Stock [Member]	Sep. 30, 2013 Restricted Stock [Member]	Dec. 29, 2008 Fair Value, Inputs, Level 3 [Member]
Summary Of Significant Accounting Policies [Line Items]
Reverse stock split	0.1
Deferred revenue, amortization period		1 year
Share based compensation, requisite service period		4 years
Stock options and stock appreciation rights		238,989	373,899
Warrants		3,021,302				179,241
Weighted average exercise price		$ 46.83	$ 43.90
Weighted average exercise price of warrants or rights		$ 14.30
Weighted average unearned restricted shares outstanding				25,657	36,135