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(5) Inventories
3 Months Ended
Apr. 01, 2017
Inventory Disclosure [Abstract]  
(5) Inventories

(5)        Inventories

Inventories consist of the following:

    April 1,      December 31,  
     2017      2016  
               
Raw materials  $360,450   $398,994 
Work in process   1,082,074    1,089,496 
Finished goods   1,041,492    1,032,971 
           
Gross inventory   2,484,016    2,521,461 
Reserve for obsolescence   (536,165)   (550,500)
  
Inventories, net  $1,947,851   $1,970,961