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Note 9 - Assets Held for Sale (Tables)
 12 Months Ended
Dec. 31, 2015
Notes Tables  
Disposal Groups, Including Discontinued Operations [Table Text Block]
 
 
December 31,
 
 
 
2015
 
Land and land improvements
   $ 1,568  
Buildings and building improvements
     3,658  
Accumulated depreciation
     (1,996 )
Property, plant and equipment, net
   $ 3,230