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Note 6 - Assets Held for Sale (Tables)
9 Months Ended
Sep. 30, 2015
Notes Tables  
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
 
 
September 30,
 
 
December 31,
 
 
 
2015
 
 
2014
 
Revenue equipment assets held for sale
 
$
11,343
 
  $ 3,536