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(5) Inventories (Tables)
9 Months Ended
Sep. 26, 2015
Inventory Disclosure [Abstract]  
Inventory
    September 26,      December 27,  
     2015      2014  
  
Raw materials  $525,047   $464,243 
Work in process   1,314,127    998,209 
Finished goods   1,182,723    1,467,002 
  
Total inventory   3,021,897    2,929,454 
Reserve for obsolescence   (410,500)   (400,500)
  
Inventories, net  $2,611,397   $2,528,954