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Note 5 - Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
Note
5
– Property, Plant and Equipment
 
Major classes of property, plant and equipment consist of the following:
 
   
2016
    
2015
  
Land
   $
2,220,000
     $
2,220,000
  
Buildings
    
6,631,039
      
6,631,039
  
Building improvements
    
5,615,823
      
5,615,823
  
Machinery and equipment
    
2,671,333
      
2,381,964
  
Furniture and fixtures
    
547,144
      
721,919
  
Computer equipment
    
479,534
      
701,367
  
Transportation equipment
    
65,994
      
65,994
  
Lab equipment
   
1,975,533
      
1,972,838
  
Totals at cost
    
20,206,400
      
20,310,944
  
Less: Accumulated depreciation and amortization
    
(5,861,476
 )    
(5,517,021
 )
Property, plant and equipment, net   $
14,344,924
     $
14,793,923
  
                 
Depreciation and amortization expense (1)
   $
813,657
     $
826,529
  
 
 
(1)
Includes amortization expense of
$31,356
and
$24,759
for the years ending
December
31,
2016
and
2015,
respectively. Such amortization expense relates to other capitalized and
 intangible assets.