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Note 7 - Property, Plant, and Equipment
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
(
7
)
Property, Plant and Equipment
 
Property, plant and equipment consist of the following (in thousands):
 
    December 31,
    2018   2017
Land and improvements   $
3,191
    $
3,191
 
Buildings and improvements    
35,187
     
28,939
 
Leasehold improvements    
2,843
     
2,553
 
Machinery & Equipment    
62,441
     
58,602
 
Furniture, fixtures, computers & software    
7,119
     
6,820
 
Construction in progress    
999
     
6,611
 
 
 
$
111,780
 
 
$
106,716
 
 
Depreciation and amortization expense of Property, Plant and Equipment for the years ended
December 31, 2018,
2017
and
2016,
were approximately
$6.6
million,
$5.3
million, and
$5.3
million, respectively.