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Summary of Significant Accounting Policies (Schedule Of Stock-Based Compensation) (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Summary Of Significant Accounting Policies [Abstract]
Stock based compensation expense recognized	$ 192,000	$ 168,000
Number of unvested stock options	845,600	562,700
Fair value of unvested stock options	1,562,050	1,235,096
Amount remaining to be recognized as expense	$ 638,125	$ 640,857

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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