Summary Of Significant Accounting Policies (Summary Of The Computation Of Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Summary Of Significant Accounting Policies [Abstract]
Net (loss) income allocable to common shareholders	$ (1,724)	$ (1,589)	$ (4,178)	$ (4,756)
Weighted average common shares - basic	27,330,887	24,876,801	27,255,857	23,964,869
Effect of dilutive stock options
Weighted average common shares - diluted	27,330,887	24,876,801	27,255,857	23,964,869
Basic and diluted net loss per share	$ (0.06)	$ (0.06)	$ (0.15)	$ (0.20)
Total antidilutive stock options and restricted stock issued, outstanding or granted	950,301	945,126	934,044	953,730