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Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2015
Shareholders' Equity [Abstract]  
Changes In Shares Of Common Stock
  Outstanding   Treasury   Issued
September 30, 2015          
Shares outstanding at December 31, 2014 14,118,048   279,461   14,397,509
Restricted stock awards issued 59,834   (59,834 ) -
Restricted stock awards forfeited (3,041 ) 3,041   -
Stock options exercised 13,422   (13,422 ) -
Treasury stock purchases (1,791 ) 1,791   -
Stock awards 2,363   (2,363 ) -
Shares outstanding at September 30, 2015 14,188,835   208,674   14,397,509
 
September 30, 2014          
Shares outstanding at December 31, 2013 13,829,355   332,242   14,161,597
Shares issued for the SDN acquisition 235,912   -   235,912
Restricted stock awards issued 43,242   (43,242 ) -
Restricted stock awards forfeited (13,609 ) 13,609   -
Stock options exercised 8,467   (8,467 ) -
Treasury stock purchases (9,102 ) 9,102   -
Shares outstanding at September 30, 2014 14,094,265   303,244   14,397,509