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Note 9 - Property, Plant and Equipment, Net of Accumulated Depreciation (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
December 31,
  
 
 
2016
 
  
2015
  
Land
 
$
435
 
   $
438
  
Buildings
 
 
5,540
 
    
5,504
  
Equipment
 
 
14,973
 
    
14,688
  
Construction in progress
 
 
1,482
 
    
1,206
  
 
 
 
22,430
 
    
21,836
  
Accumulated depreciation
 
 
(9,884
)
    
(9,188
 )
Total
 
$
12,546
 
   $
12,648