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Note 1 - Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2014
Accounting Policies [Abstract]  
Property, Plant and Equipment [Table Text Block]

Asset Class

 

Estimated Asset Life

(in years)

 
         

Service vehicles

    3-5  

Office furniture and equipment

    3-7  

Revenue equipment

    3-12  

Structure and improvements

    5-40