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Significant Accounting Policies (Schedule Of Weighted Average Shares Outstanding) (Details)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Significant Accounting Policies [Abstract]    
Weighted average common shares, basic 24,381us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 24,052us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilutive effect of stock options 38us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants 161us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
Weighted average common shares, diluted 24,419us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 24,213us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding