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Note 5 - Property, Plant and Equipment
3 Months Ended
Mar. 31, 2018
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
NOTE
5
PROPERTY, PLANT AND EQUIPMENT
 
Property, plant and equipment, net consist of the following:
 
   
March
3
1
,
201
8
   
December 31,
201
7
 
Land
  $
4,212
    $
4,187
 
Buildings
   
106,724
     
106,437
 
Machinery and equipment
   
172,563
     
170,615
 
Le
   
283,499
     
281,239
 
Less accumulated depreciation
   
(167,446
)
   
(164,168
)
Property, plant and equipment, net
  $
116,053
    $
117,071