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Note 4 - Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2015
Notes Tables  
Property, Plant and Equipment [Table Text Block]
December 31,
 
2015
 
 
2014
 
Land
   $ 281,982     $ 263,328  
Building and improvements
     527,545       475,149  
Service equipment
     70,559       60,644  
Furniture, office equipment, signs and fixtures
     119,250       100,163  
      999,336       899,284  
Less accumulated depreciation
     (137,853
)
     (117,679
)
      861,483       781,605  
Construction in progress
     15,177       35,140  
    $ 876,660     $ 816,745