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Note E - Segment Information (Tables)
9 Months Ended
Sep. 30, 2017
Notes Tables  
Reconciliation of Revenue from Segments to Consolidated [Table Text Block]
   
Three Months Ended
September 30,
   
Nine
Months Ended September 30,
 
   
201
7
   
201
6
   
201
7
   
201
6
 
   
Amount
   
%
   
Amount
   
%
   
Amount
   
%
   
Amount
   
%
 
   
(in thousands, except percentage data)
 
Truckload Services revenue
  $
79,736
     
85.3
    $
85,286
     
88.9
    $
244,311
     
87.2
    $
254,262
     
88.1
 
Brokerage and Logistics Services revenue
   
13,721
     
14.7
     
10,640
     
11.1
     
35,846
     
12.8
     
34,234
     
11.9
 
Total revenues
  $
93,457
     
100.0
    $
95,926
     
100.0
    $
280,157
     
100.0
    $
288,496
     
100.0