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Summary Of Significant Accounting Policies (Schedule Of Weighted Average Common Shares Outstanding) (Details)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Summary Of Significant Accounting Policies [Abstract]        
Denominator for basic net income (loss) per share - weighted average shares 13,602 15,121 13,605 15,551
Effect of dilutive securities: Stock options 1     400
Denominator for diluted net income (loss) per share - weighted average shares 13,603 15,121 13,605 15,951