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Inventories, Net (Tables)
 6 Months Ended
Jul. 02, 2016
Inventories, Net [Abstract]  
Components of inventories
The components of inventories follow:

  
July 2, 2016
  
January 2, 2016
 
       
Raw material and component parts
 
$
10,066,879
  
$
10,913,827
 
Work in process
  
7,085,462
   
7,681,576
 
Finished goods
  
16,830,984
   
18,247,010
 
   
$
33,983,325
  
$
36,842,413