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Note 5 - Assets Held for sale (Tables)
3 Months Ended
Mar. 31, 2015
Property, Plant and Equipment [Abstract]  
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]
   

March 31,

   

December 31,

 
   

2015

   

2014

 

Revenue equipment assets held for sale

  $ 2,140     $ 3,536