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Note 3 - Property and Equipment (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
 
 
September 30,
 
 
December 31,
 
 
 
2016
 
 
2015
 
                 
Trucks and vehicles
  $ 54,269,251     $ 54,153,487  
Water transfer equipment
    4,347,803       176,412  
Other equipment
    3,193,615       3,158,758  
Buildings and improvements
    3,835,110       3,752,841  
Land
    873,428       873,428  
Disposal wells
    391,003       391,003  
Total property and equipment
    66,910,210       62,505,929  
Accumulated depreciation
    (30,667,966 )     (26,011,268 )
Property and equipment – net
  $ 36,242,244     $ 36,494,661