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Note 12 - Property, Plant and Equipment
9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
(
12
)
Property, Plant and Equipment
 
Property, plant and equipment consists of the following (in thousands):
 
   
September 30,
   
December 31,
 
   
2018
   
2017
 
   
(Unaudited)
   
 
 
 
Land and land improvements
  $
219
    $
219
 
Buildings and building improvements
   
11,287
     
11,140
 
Machinery, equipment, furniture and fixtures
   
56,506
     
54,554
 
Construction in progress
   
1,604
     
998
 
     
69,616
     
66,911
 
                 
Accumulated depreciation
   
(54,850
)    
(51,337
)
    $
14,766
    $
15,574